Tetrastigma yunnanense

Description

Lianas,semiwoody.Branchlets terete,with longitudinal ridges;tendrils digitately 4-9-branched.Leaves palmately 5-foliolate;stipules conspicuous,brown,oval,persistent;petiole 3-9(-11) cm;leaflets obovate-elliptic,rhombic-ovate,lanceolate,or obovate-lanceolate,2-10 × 1-5 cm,lateral veins 6 or 7 pairs,veinlets inconspicuous,base cuneate,margin undulate and 6-8-toothed on each side,apex acuminate,or acute,rarely rounded.Compound umbel pseudoterminal,or leaf-opposed,rarely axillary,2-8 cm.Pedicel 1.5-4 mm.Buds oval or obovoid,2-3 mm,apex rounded.Calyx shallow and saucer-shaped,margin undulate.Petals oval or ovate-elliptic,1.8-2.7 mm,apex rounded.Stamens with oval anthers,undeveloped in female flowers.Disk conspicuous in male flowers,thin in female flowers.Ovary coniform,lower part adnate to disk;style short;stigma expanded,4-lobed.Berry spheroid,8-10 mm in diam.,1- or 2-seeded.Seeds elliptic,flat,base rostrate,apex rounded.Fl.Apr-May,fr.Sep-Nov.