Lianas, the stems silvery-white pubescent when young. Leaves cordate to ovate-cordate, silky-whitish pubescent below, some glabrescent. Flowers axillary, in 1-3-flowered cymes. Sepals ovate to oblong, equal or unequal. Corolla white, salverform. The style with a linear-oblong, 2-lobed stigma. Fruit indehiscent, nearly dry, sometimes dehiscent and breaking irregularly. Seeds enclosed within a mealy pulp, at least when dry, glabrous.