Ceropegia  

Ceropegia L. Flora of Saudi Arabia, Jizan

Perennial, twining herbs, glabrous, rarely pubescent. Leaves variable in size and shape. Flowers in pedunculate , cymes. Calyx 5- partite. Corolla white or greenish, striped or spotted with purple, tubular, base inflated; lobes as long as the tube or smaller, connate at the tips. Corona double, attached to the staminal column; outer series consisting of 5 truncate or bifid segments; inner longer than the staminal column. Staminal column very short, included in the basal part of corolla. Pollinia erect, solitary in each locule. Follicles smooth.