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FOC | Family List | FOC Vol. 11 | Erythroxylaceae | Erythroxylum

2. Erythroxylum sinense Y. C. Wu, Bot. Jahrb. Syst. 71: 189. 1940.

东方古柯 dong fang gu ke

Erythroxylum kunthianum Kurz (1872), not A. St.-Hilaire (1829).

Shrubs or small trees, 1-6 m tall. Branches glabrous. Stipules triangular to lanceolate, 1-3 mm or longer, margin entire, fimbriate, or dissected. Leaves alternate, simple; petioles 3-8 mm; leaf blade narrowly elliptic, oblanceolate, or obovate, 2-14 × 1-4 cm, papery, costa slender, base narrowly cuneate, margin entire, apex caudate, shortly acuminate, acute, or obtuse. Flowers axillary, solitary or 2-7-fascicled on a very short peduncle. Pedicel 4-6 mm, to 9 mm in fruit. Sepals 5, basally connate, lobes 1-1.5 mm. Petals pink, ovate-oblong, 3-6 mm, with 2 ligules on inner face at base. Stamens 10; filament with papillary trichomes, bases connate into a tube. Ovary oblong, 3-locular, with 1 fertile locule; styles distinct. Drupe oblong, 6-17 × 3-6 mm, slightly curved, with 3 longitudinal ribs. Fl. Aug-May, fr. May-Oct.

Mountainous areas, trailsides, valley forests; 200-2200 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Yunnan, Zhejiang [NE India, N Myanmar, Vietnam].

This species is used medicinally and as a narcotic.


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