短柄乌蔹莓 duan bing wu lian mei

Ampelopsis cardiospermoides Planchon ex Franchet, Bull. Soc. Bot. France 33: 460. 1886.

Vines, herbaceous. Branchlets terete, with longitudinal ridges, sparsely pubescent when young, then glabrescent; tendrils unbranched. Leaves pedately 3-9-foliolate; stipules brownish, oval, 1.5-2 × 1-1.5 mm, membranous, glabrous, apex acute; petiole short, 0.3-1.5 cm; central petiolule 0.5-2 cm, petiolules of lateral leaflet complex 3-6 mm, lateral leaflets nearly sessile, sparsely pubescent when young, then glabrescent; leaflets undivided or deeply 3-parted, abaxially pubescent on veins, then glabrescent, lateral veins 4-7 pairs, veinlets inconspicuous; lobes or leaflets lanceolate, obovate-elliptic, or elliptic; central leaflet 3-8 × 0.5-4 cm, base cuneate, apex acuminate, acute, or obtuse; lateral leaflets 1-5 × 0.5-3 cm, base broadly cuneate, margin with 4-9 rounded teeth on each side, apex obtuse or rounded. Compound dichasium axillary; peduncle 1-3 cm, with sparse papillose hairs. Buds suborbicular, 1.5-2 mm, apex rounded. Calyx shallow and saucer-shaped, papillose, margin undulate or slightly dentate. Petals oval, 1.3-1.8 mm, with papillose hairs. Anthers oval, nearly as long as wide. Lower part of ovary adnate to disk. Berry globose, 8-10 mm in diam., 2- or 3-seeded. Seeds obovoid, base rostrate, apex rounded or retuse, chalazal knot elliptic at middle on back, upper raphe raised, transverse and obtuse ribs raised, ventral mid-raphe raised, ventral holes groovelike, from base upward to 1/4. Fl. Jul, fr. Aug-Sep.

● Shrublands, grassy areas of hillsides, meadows; 1600-2100 m. Sichuan, Yunnan.