climbers with the branches converted into leafy tendrils or almost erect
treelets, young branches pubescent or tomentose stellately. Leaves stellately
pubescent or tomentose or glabrous at maturity.
Inflorescence of few-flowered cymes, terminal, internodal or
leaf-opposed. Flowers reddish, purple or yellow. Calyx valvate in bud, 3-lobed.
Petals 6 (-8), in 2 series. Stamens numerous, with the connective concealing
the anther cells. Carpels numerous, cylindrical or funnel-shaped, strigose,
truncate at the apex with the stigma, horse-shoe shaped when viewed from above.
Ripe carpels obovoid to shortly cylindrical, sessile or stipitate, succulent or
dry, pubescent or glabrate, several-seeded.