33. Tetrastigma macrocorymbum Gagnepain ex J. Wen, Boggan & Turland, Fl. China. 12: 205. 2007.
伞花崖爬藤 san hua ya pa teng
Type: Vietnam. "Tonkin: Moc-chau, prov. de Sonla," Pételot 7826 (holotype, P).
Frutex scandens. Ramuli teretes. Folia 5-pedata, foliolis obovato-ellipticis vel ellipticis, 4-16 cm longis, 2.5-6 cm latis. Cymae axillares, laxus, pedunculo 2-3 cm longo. Petala elliptica, 1.8-2.8 mm longa, apice galeata. Ovarium pubescens.
Lianas, woody. Branchlets terete, with longitudinal ridges and conspicuous lenticels, glabrous. Leaves pedately 5-foliolate; petiole 4-8 cm; central petiolule 1-2.5 cm, petiolules of lateral leaflet complex 0.7-2 cm, lateral petiolules 4-10 mm, glabrous; leaflets obovate-elliptic or elliptic, 4-16 × 2.5-6 cm, glabrous, lateral veins 6 or 7 pairs, veinlets inconspicuously raised, base rounded or broadly cuneate, base of lateral leaflets asymmetric, margin with undulate teeth, apex acute or cuspidate. Compound dichasium axillary, loosely arranged; peduncle 2-3 cm, pubescent or glabrous. Pedicel 3-4 mm, pubescent. Buds ovoid-elliptic, 2-3 mm, apex obtuse. Calyx cupular, pubescent, margin undulate, teeth inconspicuous. Petals elliptic, 1.8-2.8 mm, apex galeate, pubescent. Disk inconspicuous in female flowers. Ovary coniform, pubescent; style short; stigma deeply 4-lobed. Berry spheroid, 1-1.3 cm in diam., 1- or 2-seeded. Seeds obtriangular, base gradually tapering, apex retuse, rostrum sharp. Fl. Apr-May, fr. Jun-Oct.
Shrublands or forests on hillsides or riversides; 1000-1500 m. Yunnan [Vietnam].
This name was previously published by Gagnepain (in Humbert, Fl. Indo-Chine, Suppl. 1: 877. 1950) but not validly so because no Latin description or diagnosis was provided (Vienna Code, Art. 36.1).