Cornus wilsoniana Wangerin

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Credits

Article from New Trees, Ross Bayton & John Grimshaw

Recommended citation
'Cornus wilsoniana' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/cornus/cornus-wilsoniana/). Accessed 2020-09-25.

Genus

Synonyms

  • C. fordii Hemsley

Glossary

herbarium
A collection of preserved plant specimens; also the building in which such specimens are housed.

References

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Credits

Article from New Trees, Ross Bayton & John Grimshaw

Recommended citation
'Cornus wilsoniana' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/cornus/cornus-wilsoniana/). Accessed 2020-09-25.

Tree 5–10(–40) m. Bark grey or greenish grey, splitting and flaking into rectangular plates. Branchlets four-angled, pubescent with appressed grey hairs; older branches brown, glabrous with narrow lenticels. Leaves deciduous, 6–12 × 2–5.5 cm, papery, elliptic to ovate-elliptic, upper surface grey-green, lower surface densely covered by appressed white hairs, feeling scabrid, three to four (to five) secondary veins on each side of the midvein, margins slightly revolute, apex shortly acuminate to acuminate; petiole 0.8–2 cm long, not hairy. Inflorescence a terminal, paniculate to corymbose cyme, 6–10 cm diameter, with short white trichomes, composed of numerous flowers. Flowers hermaphrodite, white, with petals to 0.5 cm long. Fruit a purplish black drupe, 0.6–0.7 cm diameter, very rich in oil; stones with inconspicuous ribs. Flowering May, fruiting September to November (China). Xiang & Boufford 2005. Distribution CHINA: Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Zhejiang. Habitat Forest, between 100 and 1100 m asl. USDA Hardiness Zone 7 (?). Conservation status Not evaluated. Illustration NT271.

Herbarium material of Cornus wilsoniana was first gathered by Augustine Henry, with the type collection being made by Ernest Wilson in 1901. It is not known when it was first introduced, but it is now to be found in collections across North America and Europe, and is commercially available on both sides of the Atlantic and in Australia, although it is not commonly grown anywhere. A tree planted in 1988 at the Hillier Gardens was 5.5 m when measured in 2004. The white undersides to the leaves give it a certain distinction, and the Forestfarm Nursery catalogue (2007) claims that it has red twigs, but its real merit lies in the beautifully mottled bark that develops as the trunk thickens. It has been suggested for use as a street tree, and its oily fruits and heavy hard timber are valued products (Xiang & Boufford 2005).

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