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

11. Argyreia eriocephala C. Y. Wu, Yunnan Redai Yaredai Zhiwu Quxi Yanjiu Baogao (Rep. Stud. Pl. Trop. Subtrop. Yunnan). 1: 125. 1965.

毛头银背藤 mao tou yin bei teng

Shrubs scandent. Stems terete or striate; axial parts ± densely crisped villous, glabrescent with age. Petiole 7-14 cm; leaf blade ovate-circular to circular, 8.5-15 X 6-12 cm, papery, abaxially densely sericeous villous, adaxially glabrous, base truncate to shallowly cordate, apex abruptly acute; lateral veins 10-12 pairs. Cymes capitate, compact, ca. 4.5 X 4-6 cm; peduncle 1.5-2.5(-5) cm; bracts persistent, ovate, 1.7-3 X 0.7-1.5 cm, crisped villous abaxially, apex acute. Pedicel 4-6 mm, crisped pilose. Sepals elliptic-oblong, unequal, ± crisped villous abaxially, becoming enlarged and rose-red in fruit, outer 3 x ca. 12 3 mm, inner 2 ca. 8 1.5 mm. Corolla rose colored, funnelform, 4.2-4.5 cm, midpetaline bands pilose; limb shallowly lobed. Stamens and pistil included; filaments ca. 1.5 cm, brownish glandular pilose basally; anthers oblong, ca. 3.5 mm. Disc ringlike. Ovary glabrous, conical, 2-loculed. Style ca. 1.1 cm, jointed at base; stigma capitate, 2-lobed. Fruit rose-red, ellipsoid, 6-7 X ca. 5 mm, apiculate. Seeds 4 or fewer, brownish, ellipsoid, ca. 5 mm. Fl. Sep.

* Forests, thickets; ca. 1300 m. S Yunnan.


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