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FOC | Family List | FOC Vol. 12 | Vitaceae | Tetrastigma

36. Tetrastigma tsaianum C. Y. Wu, Chin. J. Appl. Environ. Biol. 1: 329. 1995.

蔡氏崖爬藤 cai shi ya pa teng

Lianas, woody. Branchlets terete, with conspicuous lenticels, glabrous. Leaves pedately 5-foliolate; petiole 5-8 cm; central petiolule 1.5-2 cm, petiolules of lateral leaflet complex 1-1.5 cm, lateral petiolules short or lateral leaflets sessile, glabrous; leaflets obovate-elliptic, 6.5-9.5 × 3-3.7 cm, glabrous, lateral veins 4-7 pairs, veinlets inconspicuous, base cuneate, base of lateral leaflets asymmetric, margin 12- or 13-toothed on each side, apex mucronate. Inflorescence umbelliform, axillary; peduncle 0.5-2 cm, pubescent, then glabrescent. Pedicel 1-3 mm, pubescent. Buds ovoid, 1-1.2 mm. Calyx cupular, pubescent, margin with irregular teeth and ciliate. Petals elliptic, apex galeate, glabrous. Filaments short; anthers yellow, ovoid-elliptic. Disk inconspicuous. Ovary spheroid; pistil minute at base of calyx in male flowers; style short; stigma 4-divided. Fl. May.

● Forests; 1700-1800 m. Yunnan.


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