Dioecious shrubs or small trees, glabrous or papillose. Leaves erect or spreading, linear-terete, sometimes obovate or lanceolate, sessile. Flowers solitary or racemose, axillary; calyx shallowly, rarely deeply, lobed. Male flowers: stamens in 1 whorl, or in several covering disc. Female flowers: ovary globular, of 1–30 carpels; stigmas up to 4 mm long, often petaloid. Fruit spherical; carpels ovoid or obovoid, dry, sometimes succulent, each with 2 fine keels, dehiscing along outer margin. Seed attached at base or centre of column, rugose or smooth.