Lianas, the stems pubescent, the hairs pale-brown. Leaves obovate, acumin- ate, shallowly cordate basally, to 20 cm long and 10 cm wide, pubescent on both surfaces, densely so beneath, membranaceous; petioles ca. 5-10 mm long, glandu- lar in the axils. Inflorescences umbellate, axillary, densely-flowered. Flowers with the pedicels to ca. 1 cm long; calyx-lobes oblong deltoid, ca. 20-25 mm long, pubescent, bearing 1 lacerate pubescent squamella within; corolla subinfundibuli- form, green and white, pubescent externally, without epistaminal appendages, the annulus 5-lobed, the tube and slightly expanded throat ca. 35 mm long, the lobes obliquely obovate, ca. 15 mm long; stamens included, the anthers ca. 6-7 mm long, glabrous; nectaries concrescent, the margins thin, surpassing the ovary at anthesis. Follicles unknown.
