dcsimg

Broad-scale Impacts of Plant Response to Fire ( англиски )

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More info for the terms: cover, fire use, frequency, prescribed fire, restoration

White spirea relies on sprouting for postfire regeneration [25].
Sprouting from surviving rhizomes ensures abundant regrowth after
fires, if conditions are suitable [25].  Bushey [4], however, found that
white spirea decreased noticeably in postfire transects.  Soil
morphology and depth to rhizomes are important components for estimating
potential fire survival [2].

On ponderosa pine and Douglas-fir communities in the Blue Mountains
of northeastern Oregon, white spirea cover and frequency were higher
on sites that had been thinned 6 years previously than on prescribed
burned, thinned-and-burned, or control sites.  White spirea was determined
to be an indicator species for thinned sites (P≤0.05).  For further
information on the effects of thinning and burning treatments on white
spirea and 48 other species, see the Research Project Summary of Youngblood
and others' [43] study.

The following Research Project Summaries also provide information on prescribed
fire use and postfire response of plant community species including white spirea:
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Common Names ( англиски )

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white spirea
spirea
shiny-leaf spirea
birchleaf spirea
white meadowsweet
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Cover Value ( англиски )

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More info for the term: cover

White spirea is rated poor for cover value.  Because it only achieves
a height from 1 to 3 feet (60 - 90 cm), the cover value for
wildlife is virtually non-existent [18].  The degree to which
white spirea provides environmental protection during one or more
seasons for wildlife species is as follows [12]:

                         Montana        * Information for other states
                                          not available.           
Elk                        poor
Mule deer                  poor
White-tailed deer          poor
Small mammals              poor
Small non-game birds       poor
Upland game birds          poor
лиценца
cc-publicdomain
библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Description ( англиски )

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More info for the term: shrub

White spirea is a native, moderately shade-tolerant, deciduous,
rhizomatous shrub, with root development well into the soil profile
[2,9,14,19,35,37].  White spirea has cinnamon-brown scaly bark on its
erect stems, which are 1 to 3 feet (30-90 cm) tall [40].  The small
flowers are gathered in nearly flat-topped clusters about 1.5 inches (4
cm) across.  The flowers turn brown soon after fertilization and give
way to small, dry, podlike fruits [32].
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Distribution ( англиски )

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White spirea is generally confined to the middle elevation foothills
and montane zones of the Intermountain West [19,23,32,40].  In the
western United States, this species ranges from southern Idaho, north
through eastern Oregon and Washington, and east to north-central
Wyoming.  White spirea also occurs in western Montana and in the Black
Hills of South Dakota [14,15,19,23,32,40].  In Canada, white spirea
occurs in southern British Columbia, southern Saskatchewan, and eastern
Alberta [14,19].
лиценца
cc-publicdomain
библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Fire Ecology ( англиски )

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More info for the term: fire regime

White spirea is highly resistant to fire-kill.  It sprouts from
surviving root crowns, and from rhizomes positioned 2 to 5 inches (5-13
cm) below the soil surface [8].

FIRE REGIMES :
Find fire regime information for the plant communities in which this
species may occur by entering the species name in the FEIS home page under
"Find FIRE REGIMES".
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Fire Management Considerations ( англиски )

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More info for the term: fire management

White spirea has generally not been the primary target of fire
management objectives.  Because white spirea has a substantial portion
of its rhizomes in mineral soil, it has been ranked in the highest
fire-survival category [2].  Therefore, white spirea can be relied on
as a dependable fire-survivor species.
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Growth Form (according to Raunkiær Life-form classification) ( англиски )

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More info on this topic.

More info for the term: phanerophyte

Phanerophyte
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Habitat characteristics ( англиски )

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More info for the terms: forest, phenology

White spirea is common on brushy or open slopes, as well as in forests
from the foothills through the montane zone.  It is often abundant in
low-elevation (1,000 to 4,000 feet [305-1,219 m]) dry forests, but can
also be found in some high-elevation (10,000 feet [3,048 m]) wet forests
[19,23,32].  White spirea grows well on dry, rocky sites because of its
rhizomatous nature [15,32].  Soil moisture does not play a major role in
the distribution and phenology of white spirea [14].  White spirea
occupies forest habitat types associated with parent material ranging
from limestone to quartz [6,28].  Aspect had a major influence on the
survival of transplanted white spirea in northwestern Montana [21].
Survival was significantly lower on western aspects than on either
southern or eastern aspects.
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Habitat: Cover Types ( англиски )

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This species is known to occur in association with the following cover types (as classified by the Society of American Foresters):

   206  Engelmann spruce
   210  Interior Douglas-fir
   213  Grand fir
   218  Lodgepole pine
   237  Interior ponderosa pine
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Habitat: Ecosystem ( англиски )

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This species is known to occur in the following ecosystem types (as named by the U.S. Forest Service in their Forest and Range Ecosystem [FRES] Type classification):

   FRES20  Douglas-fir
   FRES21  Ponderosa pine
   FRES23  Fir - spruce
   FRES26  Lodgepole pine
   FRES29  Sagebrush
   FRES36  Mountain grasslands
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Habitat: Plant Associations ( англиски )

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This species is known to occur in association with the following plant community types (as classified by Küchler 1964):

More info for the term: forest

   K008  Lodgepole pine - subalpine forest
   K011  Western ponderosa forest
   K012  Douglas-fir forest
   K015  Western spruce - fir forest
   K055  Sagebrush steppe
   K063  Foothills prairie
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Immediate Effect of Fire ( англиски )

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White spirea is almost always top-killed following fires of moderate to
high intensity.  The rhizomes are seldom consumed in similar fire
conditions [2,8,9,35].
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Importance to Livestock and Wildlife ( англиски )

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More info for the terms: cover, presence, shrub

White spirea is not an important shrub species to livestock or
wildlife.  The leaves of white spirea persist on the plant longer than
those of other deciduous shrub species, which may account for its
moderate food value during autumn [40].  The low food value is sometimes
demonstrated by the substantial presence of white spirea on overgrazed
ranges, especially in areas where cattle concentrate [40].  White
spirea can grow in colonies, but not to the extent where it can be
adequately utilized by livestock or wildlife for cover.
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Key Plant Community Associations ( англиски )

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More info for the terms: climax, forest, series, shrub

White spirea is a dominant shrub species occurring mostly in
forested communities of low to moderate precipitation.  Habitat types
that include white spirea as an indicator species are the Douglas-fir
(Pseudotsuga menziesii), subalpine fir (Abies lasiocarpa), grand fir
(A. grandis), ponderosa pine (Pinus ponderosa), and lodgepole pine
(P. contorta) climax series [7,20,27,30,36].  White spirea is also found
in many moist community types and plant associations [3,10,11].

Publications listing white spirea as an indicator or dominant species in
habitat types (hts), community types (cts), or plant associations (pas)
are listed below:

Area             Classification         Authority            

  MT              forest hts             Pfister & others 1977
n ID              forest hts             Cooper & others  1991
c ID              forest hts             Steele & others  1981
n WY              forest hts             Hoffman & Alexander 1976
w WY              forest hts             Steele & others  1981
s ID, w WY        forest cts             Mueggler & Campbell 1982
e ID, w WY        forest cts             Steele & others  1983
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Life Form ( англиски )

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More info for the term: shrub

Shrub
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Management considerations ( англиски )

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More info for the term: cover

White spirea is generally not selectively managed for cover, forage, or
other uses.  It has been found to have a high vegetative response to
many types of disturbances from logging to wildfires [35,42].  White
spirea generally regenerates quickly, and thus provides soil
stabilization after disturbance [21].  Since white spirea is not highly
selected by wildlife as forage, it would be a good species to introduce
into disturbed sites.
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Nutritional Value ( англиски )

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White spirea can serve as summer forage for livestock [39].  Most
studies, however, conclude that white spirea is a poor forage species,
and is generally not used by livestock or wildlife [12,19,29,35,40].
лиценца
cc-publicdomain
библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Occurrence in North America ( англиски )

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     ID  MT  OR  SD  WA  WY  AB  BC  SK
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Palatability ( англиски )

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More info for the term: presence

White spirea's palatability rating is poor to fair for domesticated
range animals.  Mule deer and elk also find white spirea relatively
unpalatable [35].  The species' low palatability may result from the
presence of a volatile oil containing bitter salicylic aldehyde [40].
The relish and degree of use shown by livestock and wildlife species for
white spirea in Montana is rated as follows [12]:

                           Montana      * Information for other states
                                          not available.
Cattle                       poor
Sheep                        fair
Horses                       poor
Antelope                     fair
Elk                          poor
Mule deer                    fair
White-tailed deer            fair
Small mammals                poor
Small nongame birds          poor
Upland game birds            poor
Waterfowl                    poor
лиценца
cc-publicdomain
библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Phenology ( англиски )

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More info on this topic.

More info for the terms: forest, phenology, seed

Seasonal development of white spirea is closely related to temperature
[14].  In eastern Washington, white spirea developed up to 2 months
later at higher elevations than at lower elevations [14].  Bud break
generally occurs in April, and first bloom occurs anywhere from May to
July.  Phenological development was drastically retarded for
transplanted white spirea (first bloom and seed production) in eastern
Washington [14].  Seasonal progression of white spirea phenology does
not relate well to calendar dates or photoperiodic tables, due to the
temperature differences between elevational sites.

Approximate timing of phenological events for white spirea at different
elevations on the Entiat Experimental Forest, eastern Washington, from
1972 to 1973 were as follows [14]:


Phenological Phase                  Elevation

                          590 m       1105 m        1635 m
                        (1,935 ft)   (3,624 ft)    (5,363 ft)

Bud Break              late March   early April  late April
4-6 leaf development   early April  mid-April    early May
Floral initiation      early May    mid-May      May-June
First bloom            May-June     mid-June     July
Peak bloom             mid-June     early July   July
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Plant Response to Fire ( англиски )

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More info for the terms: cover, frequency, shrub

White spirea demonstrates high survival capabilities following
holocaustic wildfires [38].  It is a rhizomatous shrub that not only
survives burning, but can often flower the year immediately following
the burn [9,35].  Geier-Hayes [17] found white spirea to increase in
cover and frequency following disturbance by fire.  In fact, white
spirea was found to increase in canopy cover 3 to 5 years after a burn
[26].  On lightly burned sites, white spirea showed no significant (5%)
levels of nutrient accumulations [33].
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Post-fire Regeneration ( англиски )

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More info for the terms: caudex, root crown

   survivor species; on-site surviving root crown or caudex
   survivor species; on-site surviving rhizomes
лиценца
cc-publicdomain
библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Regeneration Processes ( англиски )

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More info for the terms: layering, natural, rhizome, seed, shrub

White spirea is rhizomatous and usually grows in extensive colonies
[2,14,19,35].  Mechanical or natural disturbances rarely destroy the
white spirea root system, which usually will sprout within the next
growing season. 

White spirea stems often show signs of woody swellings due to the
fusion of adjacent segments.  Incipient perennating buds are well
distributed along the entire length of the rhizome [2].  Any section of
the rhizome is probably capable of generating new stems if it is large
enough to provide the carbohydrates necessary for sprouting.  White
spirea also appears capable of some layering from aerial stems.
Bradley [2] found a high proportion of white spirea perennating tissues
residing in the mineral soil at an average depth of 4.4 inches (11.2
cm).

White spirea produces small seeds that are occasionally dispersed via
small birds, rodents, and strong winds.  Overall seed production and
dispersal is low.  A soil seed-bank sampling study found white spirea
to be the least represented shrub species [25].  Seedlings of white
spirea are rarely found [35].
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Regional Distribution in the Western United States ( англиски )

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More info on this topic.

This species can be found in the following regions of the western United States (according to the Bureau of Land Management classification of Physiographic Regions of the western United States):

    5  Columbia Plateau
    8  Northern Rocky Mountains
    9  Middle Rocky Mountains
   15  Black Hills Uplift
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Successional Status ( англиски )

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More info for the terms: climax, cover, habitat type, shrub, tree

White spirea appears to be a satisfactory indicator plant for varying
climatic conditions [14].  Descriptions of northern and central Idaho
habitat types indicate that white spirea increased in importance as an
indicator species in the slightly drier and warmer conditions found in
ponderosa pine and Douglas-fir habitat types.

White spirea's canopy cover declines gradually beneath a tree
overstory, making it an indicator of late-seral to climax conditions.
In drier portions of Douglas-fir/ninebark (Physocarpus malvaceus)
habitat communities, which often border Douglas-fir/white spirea types,
white spirea may persist as a climax component of the shrub layer.  In
much of the Douglas-fir/ninebark habitat type, however, white spirea
gradually gives way to ninebark, making it a late seral indicator [35].
лиценца
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библиографски навод
Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Synonyms ( англиски )

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Spiraea lucida (Dougl. ex Greene)
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Taxonomy ( англиски )

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The currently accepted scientific name of white spirea is Spiraea
betulifolia Pall. Two varieties, distinguished by floral
characteristics, are [19,23]:

Spiraea betulifolia var. betulifolia, white spirea
Spiraea betulifolia var. lucida (Dougl.) Hitchc., shinyleaf spirea
лиценца
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Fire Effects Information System Plants

Value for rehabilitation of disturbed sites ( англиски )

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More info for the terms: cover, natural, shrubs

White spirea is generally not used for rehabilitation of disturbed
sites.  White spirea was used, however, along with other native shrubs,
to revegetate road cuts in northwestern Montana [21].  It was found to
have a 57 percent survival rate 4 years after planting and a composite
rating of 33 percent when measured for growth, vigor, natural spread,
and soil stabilization [21].  It was rated as 'medium' for soil erosion
reduction potential due to its moderately aggressive growth [18].  In
its first 3 years, however, white spirea was also found to show slow
growth, and only fair rates of growth, cover reproduction, and
maintenance thereafter [7,9,21].
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Habeck, R. J. 1991. Spiraea betulifolia. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/
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Birkespiræa ( дански )

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Birkespiræa er en lille, løvfældende busk med en tætgrenet vækst. Arten er fuldt hårdfør med smuk blomstring og flot høstfarve. Derfor bruges den (og sorter af den) meget i haver og anlæg.

Kendetegn

Birkespiræa (Spiraea betulifolia) er en lille, løvfældende busk med en tætgrenet og kompakt vækst. Skuddene er forholdsvis tykke. Barken er først lysegrøn, men senere bliver den rødbrun. Knopperne er spredt stillede, små og let fladtrykte. Bladene er ovale og hele med bugtet rand. Begge bladsider er græsgrønne og hårløse. Høstfarven er gul. Blomstringen foregår i juni, hvor man finder blomsterne siddende i tætte, endestillede halvskærme. De enkelte blomster er regelmæssige og 5-tallige med hvide til svagt lyserøde kronblade. Frugterne er kapsler med mange frø.

Rodsystemet er tæt forgrenet og højtliggende i jorden. Planten danner udløbere og bliver med tiden mere bred end høj.

Birkespiræa når en højde på 5 m og en kronebredde ligeledes på 1 m.

Hjemsted

Birkespiræa hører hjemme i skove, buskadser og græsområder samt langs floder og mindre vandløb i det nordøstlige Sibirien (Jakutien), i Russisk fjernøsten (Kurilerne, Khabarovsk, Primorye, Amur, Kamtjatka og Sakhalin) og i Japan (Hokkaido og Honshu). Desuden er den naturaliseret i Canada og de nordlige dele af USA[1]. I de nordlige, kystnære dele af Kamtjatka og på Sakhalin findes skove, der er domineret af Jessogran (Picea jezoensis). Her vokser arten sammen med bl.a. almindelig fjerbusk, almindelig knærod, almindelig linnæa, almindelig majblomst, Alnus kamtschatica (en art af el), Calamagrostis purpurea (en art af rørhvene), Carex pallida og Carex reventa (arter af star), dragepil, dunet egebregne, finbladet mangeløv, finsk rose, Geranium erianthum (en art af storkenæb), Juniperus sibirica (en art af ene), kamtjatkabirk, kæmpemjødurt, Lathyrus pilosus (en art af fladbælg), Lonicera chamissoi (en art af gedeblad), Pedicularis resupinata (en art af troldurt), Ribes triste (en art af ribs), skovsyre, smalbladet gederams, Solidago spiraeifolia (en art af gyldenris), Sorbus sibirica (en art af røn), svensk hønsebær, tredelt egebregne, trenervet snerre, Veratrum oxysepalum (en art af foldblad), og østsibirisk lærk.[2]

Galleri

Note


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Birkespiræa: Brief Summary ( дански )

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Birkespiræa er en lille, løvfældende busk med en tætgrenet vækst. Arten er fuldt hårdfør med smuk blomstring og flot høstfarve. Derfor bruges den (og sorter af den) meget i haver og anlæg.

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Spiraea betulifolia ( шпански; кастиљски )

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Spiraea betulifolia, es una especie de la familia Rosaceae.[2]

Descripción

Es un arbusto que alcanza un tamaño de 25-60 cm de altura desde un rizoma. Las hojas son alternas, ovadas, de 2-7 cm de longitud y de color verde. Las flores son numerosas de 3-5 cm con 5 pétalos de color blanco y a menudo, de color rosa pálido o lavanda. Los frutos son folículos de 3 mm de longitud.

Taxonomía

Spiraea betulifolia fue descrita por Peter Simon Pallas y publicada en Flora Rossica 1: 33, pl. 16. 1784.[3][4]

Referencias

  1. D. Potter, T. Eriksson, R. C. Evans, S. Oh, J. E. E. Smedmark, D. R. Morgan, M. Kerr, K. R. Robertson, M. Arsenault, T. A. Dickinson & C. S. Campbell (2007). «Phylogeny and classification of Rosaceae» (PDF). Plant Systematics and Evolution (en inglés) 266 (1–2): 5-43. doi:10.1007/s00606-007-0539-9. Nótese que esta publicación es anterior al Congreso Internacional de Botánica de 2011 que determinó que la subfamilia combinada, a la que este artículo se refiere como Spiraeoideae, debía denominarse Amygdaloideae.
  2. «Spiraea betulifolia». montana plant-life. Consultado el 18 de enero de 2013.
  3. Spiraea betulifolia en Trópicos
  4. Spiraea betulifolia en PlantList

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Spiraea betulifolia: Brief Summary ( шпански; кастиљски )

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Spiraea betulifolia, es una especie de la familia Rosaceae.​

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マルバシモツケ ( јапонски )

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マルバシモツケ Spiraea betulifolia 1.JPG
福島県会津地方 2009年7月
分類 : 植物界 Plantae : 被子植物門 Magnoliophyta : 双子葉植物綱 Magnoliopsida 亜綱 : バラ亜綱 Rosidae : バラ目 Rosales : バラ科 Rosaceae 亜科 : シモツケ亜科 Spiraeoideae : シモツケ属 Spiraea : マルバシモツケ
Spiraea betulifolia 学名 Spiraea betulifolia Pall. var. betulifolia 和名 マルバシモツケ(丸葉下野)  src= ウィキメディア・コモンズには、マルバシモツケに関連するメディアがあります。  src= ウィキスピーシーズにマルバシモツケに関する情報があります。

マルバシモツケ(丸葉下野、学名:Spiraea betulifolia)は、バラ科シモツケ属落葉低木

特徴[編集]

幹の高さは50-100cmになり、よく分枝し、こんもりと丸まった樹形になる。若い枝は赤褐色になり、無毛か白軟毛がある。は、長さ1-3mmの葉柄をもって枝に互生し、形は倒卵形から広倒卵形または卵円形。葉の先端は円頭または鈍頭で、基部は円形または広いくさび形で葉柄に流れ、葉身の長さ1.5-6cm、幅1-4cmになる。ほとんど両面無毛で、縁には重鋸歯があり、裏面は淡緑色となる。葉の形からマルバの名がある。

花期は6-8月、枝の先に複散房状に花序をつくり、径5-8mmの白色の5弁花を多数咲かせる。花弁の長さ1.5mm。雄蕊は長く伸び、長さ7-10mmになる。

分布と生育環境[編集]

日本では、北海道、本州中北部に分布し、亜高山から高山の日当たりのよい岩礫地に生育する。世界では東シベリア、樺太、千島に分布する。

下位分類[編集]

日本には、次の変種品種がある。

  • アポイシモツケ Spiraea betulifolia Pall. var. betulifolia f. grandifolia (Nakai) Kitam. ex Kawano
  • テシオシモツケ Spiraea betulifolia Pall. var. betulifolia f. oblanceolata (Tatew.) Kitam.
  • エゾノマルバシモツケ Spiraea betulifolia Pall. var. aemiliana (C.K.Schneid.) Koidz.
  • ケナシエゾノマルバシモツケ Spiraea betulifolia Pall. var. aemiliana (C.K.Schneid.) Koidz. f. glabra (H.Hara) Ohwi
  • マシケマルバシモツケ Spiraea betulifolia Pall. var. yoshitakae Toyok.

ギャラリー[編集]

 src=
三本槍岳(福島県)

参考文献[編集]

執筆の途中です この項目は、植物に関連した書きかけの項目です。この項目を加筆・訂正などしてくださる協力者を求めていますプロジェクト:植物Portal:植物)。
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マルバシモツケ: Brief Summary ( јапонски )

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マルバシモツケ(丸葉下野、学名:Spiraea betulifolia)は、バラ科シモツケ属落葉低木

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