Cynanchum ellipticum (Harv.) R.A.Dyer

Perennial, much-branched climber, up to 3 m long; basally woody with grey bark. Leaves elliptic to oblong, 20-40 x 10-20 mm, glabrous, base rounded, apex obtuse to acute, apiculate; petioles 5-15 mm long. Inflorescences cymose to umbelliform, 2-15(-30)-flowered, with 4-10 flowers open at same time. Peduncle 12-20 mm long. Pedicels 5-10 mm long, glabrous. Buds: aestivation imbricate. Flowers brown to green, sweetly scented. Corolla rotate, basally fused; lobes spreading to reflexed, straight or apically twisted, 2.5-4.0 x 0.8-1.2 mm. Corona white, cyathiform, taller than gynostegium, 2.5-3.5 mm tall. Anthers trapezoid. Flowering time all year, peaking in Apr. and Sept. Follicles obclavate, 45-60 x 6-8 mm, brown, apically beaked.