Trees or shrubs, monoecious, without latex; indumentum of simple hairs. Leaves alternate, simple, shortly petiolate, entire to glandular-serrate, with 2 basal glands, penninerved, often with translucid dots and often at base of upper surface with 2 short filiform or glanduliform appendages; stipulate. Inflorescences usually bisexual, spicate or racemose, axillary, with laxly flowered glomerules usually consisting of 1 female flower and 2 or more male flowers. Flowers very small, fragrant; pedicel long to 0, not jointed. Male flowers : calyx subglobose and apiculate, valvately splitting into 3 or 4 sepals; petals 0; disc glands many, free, minute; stamens 10-40, filaments free, filiform, anther connective divided into 2 branches, thecae free, at apex of branches, pendulous in bud, at length flexuous-divaricate, dehiscing distally; pistillode usually 0; receptacle convex. Female flowers : sepals 3-6, imbricate, +/- free; petals 0; disc flattened, deeply 3-6-lobed with lobes opposite sepals; ovary 3-locular, with 1 ovule per locule; styles 3, +/- free, accumbent on ovary, laciniate-plumulose. Fruit deeply 3-lobed, dehiscing septicidally into 3 bivalved cocci leaving a persistent columella; exocarp puberulous; endocarp woody. Seeds subglobose, smooth, ecarunculate; testa thinly crustaceous to chartaceous; endosperm fleshy; cotyledons broad, flat.
Species 3, trop. Africa; sthn trop. Afr. 1: Mareya micrantha (Benth.) Mull.Arg., Angola (Cabinda).