Scandent shrub. Stipules triangular or lanceolate, 0.5-1 mm long, spacious. Leaves coriaceous, broad-elliptic or rotund, sometimes ovate, 3-11 by 2.5-7.75 cm; base rounded, obtuse, rarely cuneate; apex obtuse, rounded, rarely emarginate; margin crenulate; nerves 5-8 pairs; petiole 3-4 mm. Inflorescences 2-4 times branched, 0.5-4 cm long, light brownish puberulous, sometimes glabrescent especially on the peduncles. Peduncle 1.5-2.5 cm. Bracts deltoid, c. 1 mm long. Pedicels 3.5-4.5 mm. Flowers greenish yellow, or green. Calyx lobes triangular, c. 0.5 mm long, puberulous outside. Petals lanceolate, 4.5-5 by 1 1/3-1.5 mm, pilose on the upper 1/2-1/3 inside and on the margins. Disk annular-pulvinate, c. 1 mm high, 1.5-2 mm ø, pilose at the apex, slightly 5-notched at the base. Stamens c. 2 mm, the inner surfaces of both the filament at the apical part and the base of the anther papillose. Pistil c. 1 mm emerging from the disk, sparsely pilose towards the base. Ovules 8-10 in each cell. Follicles oblong, 6.5 by 2.5 cm. Seeds (incl. wing) lanceolate, 4.5-5 by 1 1/3-1.5 cm.
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