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

40. Tetrastigma hypoglaucum Planchon, Bull. Soc. Bot. France. 33: 459. 1886.

叉须崖爬藤 cha xu ya pa teng

Tetrastigma obtectum (Wallich ex M. A. Lawson) Planchon ex Franchet subsp. dichotomum W. T. Wang; T. sinodichotomum W. T. Wang.

Lianas, woody, slender. Branchlets terete, with longitudinal ridges, glabrous; tendrils bifurcate. Leaves palmately 5-foliolate; stipules brown, oval, 3-5 × 2.5-3.5 mm, persistent; petiole 1.5-3.5 cm; lateral petiolules very short or lateral leaflets sessile, glabrous; central leaflet lanceolate, lateral leaflets elliptic, 1.5-5 × 0.5-1.5 cm, glabrous, lateral veins 4 or 5 pairs, veinlets inconspicuous, base cuneate, base of lateral leaflets asymmetric and subrounded, margin 3-6-toothed on each side, teeth sharp, apex acute or acuminate. Simple umbel axillary, or leaf-opposed on lateral branches; peduncle 1.5-3 cm, glabrous. Pedicel 3-5 mm, glabrous. Buds oval, ca. 1.5 mm. Calyx glabrous, with undulate margin. Petals ovate-elliptic, hooked at apex, glabrous. Stamens inconspicuous in female flowers. Ovary coniform; style short; stigma 4-lobed. Berry spheroid, 6-8 mm in diam., 1-3-seeded. Seed elliptic, base rostrate, apex subrounded. Fl. Jun, fr. Aug-Sep.

● Forests or shrublands in valleys; 2300-2500 m. Sichuan, Yunnan.


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