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

12. Tetrastigma cruciatum Craib & Gagnepain, Bull. Misc. Inform. Kew. 1911: 30. 1911.

十字崖爬藤 shi zi ya pa teng

Lianas, woody. Stems flat. Branchlets brown, terete, tuberculate, glabrous; tendrils unbranched. Leaves 3-foliolate; petiole 3-4.5 cm; petiolules 2-4 mm, glabrous; leaflets glabrous, lateral veins 4-8 pairs, veinlets inconspicuous; central leaflet elliptic-lanceolate or obovate-lanceolate, 11.5-13 × 2.5-5 cm, base cuneate, margin with 4 or 5 undulate fine teeth on each side, apex acuminate or caudately so; lateral leaflets ovate-lanceolate or ovate-elliptic, 6.5-10.5 × 2.5-4.5 cm, base asymmetric and cuneate, apex acuminate or mucronate. Inflorescence umbelliform, axillary, 0.5-1.5 cm, basal part articulate and subtended by bracts; peduncle 5-10 mm, glabrous. Pedicel 2-3 mm, papillose. Buds elliptic, ca. 2 mm, apex rounded. Calyx shallow and saucer-shaped, papillose, margin undulate. Petals elliptic, corniculate, papillose. Anthers oval. Ovary coniform; style nearly absent; stigma 4-lobed. Berry globose, 1-1.2 cm in diam., 2-seeded. Seeds flat, obovoid, base rostrate, apex rounded, ventral holes furrowed from middle to apex. Fl. Apr-Aug, fr. Jul-Nov.

Forests, shrublands; 600-1600 m. S Yunnan [Thailand, Vietnam].


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