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

13. Tetrastigma pseudocruciatum C. L. Li, Chin. J. Appl. Environ. Biol. 1: 318. 1995.

过山崖爬藤 guo shan ya pa teng

Lianas, woody. Branchlets brown, terete, ridged with transverse corrugations when dry, ± tuberculate, glabrous; tendrils unbranched. Leaves 3-foliolate, rarely pedately 5-foliolate or 1- or 2-foliolate; petiole 1.5-4.5 cm, with distinct wings and transverse corrugations when dry; petiolules 0.2-1.5 cm, central petiolule ca. as long as lateral ones, glabrous; leaflets glabrous, lateral veins 4-7 pairs, veinlets slightly raised or sometimes inconspicuous; central leaflet elliptic-lanceolate, 6.5-14 × 2.5-4.5 cm, base cuneate, margin with 4 or 5 undulate fine teeth on each side, apex acuminate or obtuse; lateral leaflets ovate-lanceolate or elliptic-lanceolate, 3.5-11 × 1.5-4 cm, base cuneate, rarely subrounded, usually asymmetric, margin with 3-5 undulate teeth on each side, apex acuminate or acute. Inflorescence umbellate, glomerate, short, 1-1.5 cm, ca. 1 cm in diam.; peduncle 3-10 mm, densely pubescent. Pedicel 0.5-1 mm, pubescent. Buds obovoid, 1-1.2 mm, apex rounded. Calyx saucer-shaped, pubescent, margin undulate. Petals elliptic, 0.5-1 mm, apex rounded, papillose or subglabrate. Berry globose, 6-7 mm in diam., 1-seeded. Seed oblong, base obtuse, apex subrounded, ventral holes furrowed from upper 1/3, surface with transverse ribs. Fl. Apr-Jul, fr. Sep-Nov.

● Forests in valleys; 500-800 m. Hainan.


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