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FOC | Family List | FOC Vol. 16 | Convolvulaceae | Argyreia

4. Argyreia velutina C. Y. Wu, Yunnan Redai Yaredai Zhiwu Quxi Yanjiu Baogao (Rep. Stud. Pl. Trop. Subtrop. Yunnan). 1: 129. 1965.

黄毛银背藤 huang mao yin bei teng

Shrubs scandent. Axial parts ± densely yellowish strigose, glabrescent with age. Branches subterete, becoming striate and densely verruculose. Petiole 2.5-3 cm; leaf blade elliptic to elliptic-ovate, 8-11 X 4-5 cm, leathery, abaxially densely yellowish sericeous-velutinous, adaxially densely strigose, base rounded, apex acute; lateral veins 8-12 pairs. Inflorescences unknown. Infructescences axillary, dichotomous cymes, 2-4-fruited; peduncle 2.5-3.5 cm, ± 4-angled. Pedicel to 5 mm in fruit. Sepals elliptic-oblong to narrowly elliptic, strongly concave, subequal, ± parchmentlike, 0.9-1.1 cm 5-7 mm, sericeous-velutinous abaxially, glabrous adaxially, apex obtuse. Berry depressed globose, ca. 5 X 7 mm. Seeds 2, brownish, semiglobose, apex rounded; hilum nearly circular. Fr. Apr-May.

* Thickets; 1000-1600 m. S Yunnan (Menghai Xian, Pingbian Xian).


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