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FOC | Family List | FOC Vol. 14 | Cornaceae | Cornus

17. Cornus wilsoniana Wangerin, Repert. Spec. Nov. Regni Veg. 6: 97. 1908.

光皮梾木 guang pi lai mu

Cornus fordii Hemsley; C. kweichowensis H. L. Li; Swida wilsoniana (Wangerin) Soják.

Trees 5–18 m tall, rarely to 40 m tall. Bark gray or greenish gray, rectangularly splitting. Young branches grayish green, ± 4-angled, pubescent with grayish short appressed trichomes; old branches brown, glabrous, with brown, narrowly elliptic lenticels. Leaves opposite; petiole 0.8–2 cm; leaf blade abaxially grayish green, elliptic or ovate-elliptic, 6–12 × 2–5.5 cm, papery, abaxially densely pubescent with white short appressed trichomes and papillae, scabrous, veins 3 or 4, base cuneate to broadly cuneate, margin slightly revolute, apex shortly acuminate to acuminate. Paniculate to corymbose cymes 6–10 cm wide, with short white trichomes. Flowers white, ca. 7 mm in diam. Calyx lobes triangular, 0.4–0.5 mm, longer than disk. Petals narrowly lanceolate, 3.5–5 × 0.9–1.3 mm. Stamens 6–6.8 mm, equaling petals; anthers yellow, narrowly oblong. Style cylindrical, sometimes slightly expanded near apex, 3.5–4 mm; stigma disciform, not broader than style. Fruit purplish black or black, globose, 6–7 mm in diam.; stones globose, 4–4.5 mm in diam., ribs inconspicuous. Fl. May, fr. Sep–Nov.

Forests; 100–1100 m. Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Zhejiang.

The fruit is a source of oil (up to 30% oil), the leaves are used for livestock feed, and the dense wood is used for making farm tools and furniture. The attractively shaped crown makes Cornus wilsoniana a good candidate for a street tree.


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