-
Category hierarchy: Environmental Topics | Human Impact | Introduced SpeciesDescription: White seed cluster of Taraxacum officinale.Capture device: Camera: Canon Eos Elan IICapture details: Film: Fuji Sensia 200Original date: 20050800Locality: Latitude: 3.743160000000000e+001; Longitude: -7.865689999999999e+001
-
Top Camp, Queensland, Australia
-
Zaragoza: Aragn (Espaa)Sinnimos: Leontodon vulgare;Leontodon taraxacum; Taraxacum vulgare (Lam.) Schrank Familia: ASTERACEAE (COMPOSITAE)Distribucin: Repartida por casi toda Europa menos el extremo N; en la Pennsula Ibrica slo falta en algunos puntos del S. En Aragn se reparte por todos los sectores del territorio, y es en general frecuente.Hbitat: Varios tipos de herbazales con suelo fresco y moderadamente nitrogenado, como prados, majadas, orillas de setos, claros forestales y cspedes urbanos, incluso los de las zonas semiridas, siempre que estn regados.Preferencia edfica: Indiferente, Moderadamente nitrfilaRango altitudinal: 180- 2000 ( 2250 ) mFloracin: Febrero - NoviembreForma Biolgica: Hemicriptfito rosulado Extractado del Atlas de la Flora de Aragn (Herbario de Jaca)
-
2010.04.06 Austria, Lower Austria, district Bruck/Leitha (Braunsberg, 155 m AMSL).Of the species aggregate T. officinale agg..This one belongs to a population which one can find commonly in Vienna and eastwards: reddish, felted stem, and also leaves with sharp-ish edges - which is not at all typical for the most common genera of T. officinale agg.: ordinary populations (also growing in the same habitats, by the way!) have more round-ish ones.The species shown here belongs to section ruderalia (according to Fischer & al., Exkursionsflora 2008, 3rd) but at least to me seems to show some transitional features towards section hamata (the latter being very rare in Austria, and not present in the habitat where the one shown here is to be found).As specimens of Taraxacum officinale with those characteristics ("felted/reddish") are to be found in a greater region (side by side with "ordinary" ones) this could possibly be some sub-species "behaving" like a species proper. See also
this one which (even though much smaller, possibly due to the harsh habitat) shows similar morphological characteristics.Very common.German name: [Filzig-rtlicher?!] Lwenzahn
-
Under a high magnification of 6486x, this 2006 scanning electron micrograph (SEM) depicted details of the morphologic surface characteristics of a "dandelion clock", from a Common Dandelion, Taraxacum officinale plant. The "clock" is the filamentous "puffball" of seeds arranged so as to be easily dispersed by the wind, or the breath of a curious child.Highlighted in this field of view was the remnant of a seed attachment, visible as a small cavitated nub. It is from these nub-like points that the "parachute"-equipped seeds detach, and are blown away, sometime over a distance of miles. Note that this is the second in a series of PHIL images, 8791-8796, in which the magnification is increased, thereby, providing greater and greater morphologic detail of the point of the developing seed attachment.Created: 2006
-
eyeclops
-
Instituto Nacional de Biodiversidad - INBio, Costa Rica.
INBio
Taraxacum officinale. Foto: Alexander Rodríguez.
-
Gambrills, Maryland, United States
-
Universidade Estadual de CAMPINAS
IABIN
-
Vall d'Aran, Catalonia, SpainAsteraceaeThanks Isidro Martnez for ID!
-
Dandelion; duinpaardenbloem.
-
2010.03.27 Austria, Vienna II. district (160 m AMSL).Flowering usually begins in late april/may, this one (march!) is very early.Section ruderalia, of the "felted/reddish population, see also remarks with the shot of the leaf of this specimen, which is to be
found here.Very common.German name: LwenzahnID: Fischer & al., Exkursionsflora (2008 3rd); very difficult species aggregate - and beyond my skills to determine (sub)-species. I'll link to other shots below.
-
Maichingen, Baden-Wurttemberg, Germany
-
Under a high magnification of 1622x, this 2006 scanning electron micrograph (SEM) depicted details of the morphologic surface characteristics of a "dandelion clock", from a Common Dandelion, Taraxacum officinale plant. The "clock" is the filamentous "puffball" of seeds arranged so as to be easily dispersed by the wind, or the breath of a curious child.In this field of view the remnants of a seed attachment is visible as a small nub protruding from a small papule. It is from these nub-like points that the "parachute"-equipped seeds detach, and are blown away, sometime over a distance of miles. Note that this is the second in a series of PHIL images, 8791-8796, in which the magnification is increased, thereby, providing greater and greater morphologic detail of the point of the developing seed attachment.Created: 2006
-
Piovene Rocchette, Veneto, Italy
-
Instituto Nacional de Biodiversidad - INBio, Costa Rica.
INBio
Taraxacum officinale. Foto: Alexander Rodríguez.
-
New Paltz, New York, United States
-
New Paltz, New York, United States
-
I've seen these in every country I've visited.
-
2010.04.06 Austria, Lower Austria, district Bruck/Leitha (Braunsberg, 300 m AMSL).Of the species aggregate T. officinale agg., without being able to specify further.This one (I think) belongs to the same genetic population as
this other one (felted/reddish stem and sharp-ish leaves) - even though this one was tiny, but it grew on the peak of Braunsberg where it is exposed to fierce winds all over the year: it only grew a good five centimetres high.Very Common.German name: [Filzig-rtlicher?!] Lwenzahn
-
from the side close up image of Taraxacum officinale COMMON DANDELION at the James Woodworth Prairie Preserve - showing a single open bloom with ray flowers and split stigma visible.
-
Fruits of the introduced weed Taraxacum officinale (common dandelion).
-
Piovene Rocchette, Veneto, Italy
-
close up image of Taraxacum officinale COMMON DANDELION at the James Woodworth Prairie Preserve - showing a single specimen's cleft basal leaves and a single, slightly hairy stalk.