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Giant Dogwood

Cornus controversa Hemsl.

Comments

provided by eFloras
An oil used in the lubricating and soap industry is extracted from the fruit. The large, conspicuous, white inflorescences, layered branching pattern, and pagodalike shape of the tree make it a good garden ornamental. The leaves are used in folk remedies to relieve pain and to reduce swelling.

The synonym Cornus obovata Thunberg is an invalid name.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 14: 208 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of China @ eFloras.org
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Wu Zhengyi, Peter H. Raven & Hong Deyuan
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eFloras.org
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Description

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Trees 3–13(–20) m tall. Bark dark gray or yellowish gray, smooth; branches ± horizontal; branches of current year purplish, later greenish, glabrous or pubescent; older branches greenish, with conspicuous semicircular leaf scars and rounded lenticels; winter buds purplish, ovoid or conical, 3–8 mm, glabrous, with several alternate overlapping scales. Leaf blade broadly ovate or broadly elliptic-ovate, 5–13 × 3–9 cm, abaxially light or grayish green, sparsely pubescent with appressed trichomes, papillate, veins 6 or 7(–9), abaxially raised and slightly purplish, base subrounded, apex acute or acuminate. Corymbose cymes terminal, 5–14 cm in diam., pubescent with appressed trichomes. Flowers 8–9 mm in diam.; buds nearly orbicular, shortly pedicellate. Calyx teeth ca. 0.5 mm, taller than disk. Petals oblong-lanceolate, 3–4.5 × 1–1.6 mm. Stamens longer than petals; filaments whitish, 4–5 mm. Style 2–3 mm, glabrous. Fruit purplish red or bluish black, globose, 6–7 mm in diam.; stones globose, 5–6 mm in diam., inconspicuously 8-ribbed. Fl. May–Jun, fr. Jul–Sep. 2n = 20.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 14: 208 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Distribution

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Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shan- dong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bhutan, N India, Japan, Korea, Myanmar, Nepal, ?Sikkim].
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 14: 208 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Habitat

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Broad-leaved or mixed broad-leaved and coniferous forests; 200–2600 m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 14: 208 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
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eFloras

Cyclicity

provided by Plants of Tibet
Flowering from May to June; fruiting from July to September.
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Wen, Jun
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Wen, Jun
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Plants of Tibet

Distribution

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Cornus controversa is occurring in Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang of China, Bhutan, N India, Japan, Korea, Myanmar, Nepal.
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Wen, Jun
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Wen, Jun
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Plants of Tibet

Evolution

provided by Plants of Tibet
The phylogenetic relationships of Cornus has been inferred using nuclear gene 26S rDNA (Fan and Xiang, 2001). The 26S rDNA sequence data suggested that Cornus controversa is closely related to C. walteri.
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Wen, Jun
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Wen, Jun
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General Description

provided by Plants of Tibet
Trees 3-17 m tall. Bark dark gray or yellowish gray, smooth; branches ± horizontal; branches of current year purplish, later greenish, glabrous or pubescent; older branches greenish, with conspicuous semicircular leaf scars and rounded lenticels; winter buds purplish, ovoid or conical, 3-8 mm, glabrous, with several alternate overlapping scales. Leaf blade broadly ovate or broadly elliptic-ovate, 5-13 cm long, 3-9 cm wide, abaxially light or grayish green, sparsely pubescent with appressed trichomes, papillate, veins 6 or 7, abaxially raised and slightly purplish, base subrounded, apex acute or acuminate. Corymbose cymes terminal, 5-14 cm in diameter, pubescent with appressed trichomes. Flowers 8-9 mm in diameter; buds nearly orbicular, shortly pedicellate. Calyx teeth ca. 0.5 mm, taller than disk. Petals oblong-lanceolate, 3-4.5 mm long, 1-1.6 mm wide. Stamens longer than petals; filaments whitish, 4-5 mm. Style 2-3 mm, glabrous. Fruit purplish red or bluish black, globose, 6-7 mm in diameter; stones globose, 5-6 mm in diameer, inconspicuously 8-ribbed.
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Wen, Jun
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Wen, Jun
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Plants of Tibet

Genetics

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The chromosomal number of Cornus controversa is 2n = 20 (Oginuma et al., 1994).
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Wen, Jun
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Habitat

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Growing in broad-leaved or mixed broad-leaved and coniferous forests; 200-2600 m.
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Wen, Jun
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Wen, Jun
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Plants of Tibet

Uses

provided by Plants of Tibet
An oil is extracted from the fruits of Cornus controversa for used in the lubricating and soap industry. The large, conspicuous, white inflorescences, layered branching pattern, and pagodalike shape of the tree make it a good garden ornamental. The leaves are used in folk remedies to relieve pain and to reduce swelling.
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cc-by-nc
copyright
Wen, Jun
author
Wen, Jun
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Plants of Tibet

Cornus controversa

provided by wikipedia EN

Cornus controversa (wedding cake tree), syn. Swida controversa, is a species of flowering plant in the genus Cornus of the dogwood family Cornaceae, native to China, Korea, the Himalayas and Japan. It is a deciduous tree growing to 50 ft (15 m), with multiple tiered branches. Flat panicles of white flowers (cymes to 3–7 in (8–18 cm) wide) appear in summer, followed by globose black fruit (drupes to 12 in (13 mm)). Ovate dark green leaves (3–6 in (8–15 cm) long) are glaucous underneath and turn red-purple in autumn. It is cultivated in gardens and parks in temperate regions.[1][2][3]

It is also sometimes referred to as Bothrocaryum controversum (Hemsl.) Pojark when seeds are offered for online sale.[4]

The variety C. controversa 'Variegata' has leaves with cream margins, which turn yellow in autumn, and grows to a lesser size than its parent – typically 25 ft (8 m). It has gained the Royal Horticultural Society's Award of Garden Merit.[5]

Gallery

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    Cornus controversa, Kew Gardens, London

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    Cornus controversa in May, Frankfurt

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    Fruit (drupes), Cambridge University Botanic Garden

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    C. controversa 'Variegata', Moorbad Park, Germany

References

  1. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  2. ^ "Cornus controversa". Missouri Botanical Garden. Retrieved 2018-08-17.
  3. ^ "Dogwood Cornus controversa". Kew Royal Botanic Gardens. Archived from the original on 2013-03-12.
  4. ^ "Heirloom 50 Bothrocaryum controversum (Hemsl.) Pojark. Tree Shrubs Herb Seeds". Amazon. ASIN B074WB498W. Retrieved 2018-08-17.
  5. ^ "Cornus controversa 'Variegata' (v)". Royal Horticultural Society. Retrieved 2018-08-17.
"
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Cornus controversa: Brief Summary

provided by wikipedia EN

Cornus controversa (wedding cake tree), syn. Swida controversa, is a species of flowering plant in the genus Cornus of the dogwood family Cornaceae, native to China, Korea, the Himalayas and Japan. It is a deciduous tree growing to 50 ft (15 m), with multiple tiered branches. Flat panicles of white flowers (cymes to 3–7 in (8–18 cm) wide) appear in summer, followed by globose black fruit (drupes to 1⁄2 in (13 mm)). Ovate dark green leaves (3–6 in (8–15 cm) long) are glaucous underneath and turn red-purple in autumn. It is cultivated in gardens and parks in temperate regions.

It is also sometimes referred to as Bothrocaryum controversum (Hemsl.) Pojark when seeds are offered for online sale.

The variety C. controversa 'Variegata' has leaves with cream margins, which turn yellow in autumn, and grows to a lesser size than its parent – typically 25 ft (8 m). It has gained the Royal Horticultural Society's Award of Garden Merit.

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