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

39. Tetrastigma lanyuense C. E. Chang, Bull. Taiwan Prov. Pingtung Inst. Agric. 9: 23. 1968.

兰屿崖爬藤 lan yu ya pa teng

Cissus lanyuensis (C. E. Chang) F. Y. Lu.

Lianas, woody. Branchlets terete, slender, glabrous; tendrils unbranched. Leaves palmately 5-foliolate or 3-foliolate; petiole 5-10 cm; central petiolule 2-2.5 cm, lateral petiolules 1-2 cm, glabrous; leaflets 7-12 × 4-6.2 cm, glabrous, lateral veins 5-9 pairs, veinlets inconspicuously raised; central leaflet elliptic, base broadly cuneate, margin undulate with 8-10 fine teeth on each side, apex acute or obtuse; lateral leaflets ovate-elliptic, base cuneate and asymmetric, margin undulate with 5-7 teeth. Cyme leaf-opposed or pseudoterminal; peduncle ca. 3.5 cm, glabrous. Pedicel 3-4 mm, glabrous. Buds ovoid-elliptic, 2-2.5 mm. Calyx glabrous, 4-lobed, teeth fine. Petals ovate-elliptic, apex hooked, glabrous. Disk inconspicuous and annular in male flowers. Ovary coniform, lower part adnate to disk; style short; stigma 4-lobed. Berry obovoid, 0.8-1.2 cm in diam., 2-seeded. Seed obovoid, base rostrate, apex rounded, surface corrugated. Fl. Jul, fr. Aug.

● On trees or shrubs. S Taiwan (Lan Yu).


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