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

22. Tetrastigma obovatum Gagnepain, Notul. Syst. (Paris). 1: 266. 1910.

毛枝崖爬藤 mao zhi ya pa teng

Vitis obovata M. A. Lawson in J. D. Hooker, Fl. Brit. India 1: 658. 1875, not Rafinesque (1830), nor Baker (1871).

Lianas, woody. Stem slightly flat. Branchlets terete, with longitudinal ridges, densely hirsute, hairs 1-3 mm; tendrils unbranched. Leaves palmately 5-foliolate; petiole 10-16 cm; petiolules 0.8-3 cm, densely hirsute; leaflets abaxially hirsute, adaxially with sparse appressed pilose hairs on veins or glabrescent, lateral veins 6-8 pairs, veinlets distinct; central leaflet obovate-elliptic; lateral leaflets elliptic, 7-20 × 4-10 cm, base broadly cuneate, asymmetric, margin 6-15-toothed on each side, teeth large or sometimes inconspicuous, apex cuspidate. Inflorescence compound, broad and umbelliform dichasium, axillary, 5-10 cm; peduncle 4-5 cm, hirsute. Pedicel 2-4 mm, densely hirsute. Buds oval, apex obtuse. Calyx pilose, with 4 triangular teeth. Petals oval, apex galeate, pilose. Filaments expanded at base; anthers yellow, ovoid. Disk inconspicuous in female flowers. Ovary coniform, hirsute; style conspicuous, slightly thick at base; stigma 4-divided. Berry orange, spheroid, 2-3 cm in diam., (1 or)2- or 3-seeded. Seeds oblong, base rostrate, apex retuse, ventral holes furrowed from middle to apex. Fl. Jun, fr. Aug-Dec.

Forests, forest margins, shrublands, mountain slopes, valleys; 200-1900 m. Yunnan [India (Khasia hills), Laos, Thailand, Vietnam].


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