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

41. Tetrastigma serrulatum (Roxburgh) Planchon in A. Candolle & C. Candolle, Monogr. Phan. 5: 432. 1887.

狭叶崖爬藤 xia ye ya pa teng

Lianas, slender. Branchlets terete, with longitudinal ridges; tendrils biforked or sometimes unbranched. Leaves pedately 5-foliolate; petiole 1-5.5 cm; central petiolule 0.5-1.3 cm, petiolules of lateral leaflet complex 2-10 mm, lateral petiolules short or lateral leaflets sessile; leaflets ovate-lanceolate, 1.5-9 × 0.5-3 cm, lateral veins 4-8 pairs, veinlets conspicuously raised, base rounded or cuneate, base of lateral leaflets asymmetric, margin undulate with 5-8 fine teeth on each side, apex caudate, acuminate, or acute. Inflorescence umbelliform, axillary, 1-8 cm, with nodes and bracts; peduncle 1-5 cm. Pedicel 2-4 mm. Buds ovoid-elliptic, 2-4 mm. Calyx minute; teeth inconspicuous. Petals ovate-elliptic, apex corniculate, glabrous or nearly so. Filaments filiform; anthers yellow, oval. Disk developed and 4-divided in male flowers, annular in female flowers. Lower part of ovary adnate to disk; style short; stigma expanded and irregularly divided. Berry purple-black at maturity, spheroid, 0.8-1.2 cm in diam., 2-seeded. Seeds obovoid-elliptic, base attenuate to a short rostrum, apex subrounded. Fl. Mar-Jun, fr. Jul-Nov.

Forests in valleys, shrublands on hillsides, rocky gaps; 500-2900 m. Guangdong, Guangxi, Guizhou, Hunan, Sichuan, Xizang, Yunnan [Bhutan, India, Myanmar, Nepal, Thailand].

1 Branchlets, petioles, and peduncles glabrous.   41a var. serrulatum
+ Branchlets, petioles, and peduncles pubescent.   41b var. puberulum


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