Herbaceous vines; stems slender, glabrous or nearly so. Leaves narrowly ovate to elliptic, apically acuminate, basally truncate to rounded at maturity, glabrous, 4-14 cm long and 2-5 cm wide; petioles glabrous, 2-5.5 cm long. In-florescences umbelliform, mostly 2-6-flowered, glabrous throughout; peduncles 1-3 cm long; pedicels mostly 1-2 cm long. Flowers with the calyx glabrous, the lobes lanceolate-elliptic to lanceolate, 4-5 mm long and 1-2 mm wide; corolla rotate, green, 1.7-2.5 cm in diameter, the lobes broadly ovate, 6-10 mm long and 5-8 mm wide, glabrous outside, puberulent along one margin within, the faucal annulus a remotely 5-angled, indistinct, glabrous ridge of tissue; anther append-ages basically rounded but with a short mamillate tip projecting centrally from them, ca. 0.9 mm long and 1.2 mm wide at the base; corona thick-carnose, 5-lobed, the lobes pectinate-rugose along their margins; gynostegium pentagonal; the stigma head strongly depressed. Follicles unknown.
Home