Maprounea  

Trees or shrubs, dioecious or monoecious. Exudate (from cut stems) present? Unarmed*. Glabrous throughout. Stipules free*, simple, unlobed, entire, not spine-like*, not leaf-like*, without glands. Leaves distributed evenly along stem, alternate, simple, unlobed, base symmetrical, margin entire, blade not pellucid-punctate, upper surface without glands, lower surface with glands (only at leaf base?); venation pinnate; domatia absent*; stipel-like structures absent*. Petioles long or very long, without swellings or bends at base or apex*, without glands. Inflorescence with axis, terminal (on short lateral shoots), flowers in smallish complex branched groups, female part basal, with 0–5 flowers, often distinctly separated from the male part or even on a different plant, male flowers many, aggregated into a densely congested head, floral buds initially covered by large bracts; bracts 2-glandualr, not leaf-like*, green; Male flowers: pedicels absent or almost so, not articulated*; sepals 2–3, partially fused, greenish; petals 0; disc 0; stamens 1–3, filaments long, partially or completely fused; anther without conspicuous modification, thecae extrorse in bud; pistillode absent. Female flowers: pedicels long, not articulated*; sepals 3, partially fused, greenish; petals 0; disc 0; ovary locules 3, ovules per locule 1; styles 0 or 3, completely fused into a column (stigmas free), stigmas 3, free, entire, not flat*, surface smooth*; staminodes absent. Fruit with long pedicel, dehiscent, smooth, greenish to brown; seed with a very large caruncle, with no other covering or membranous layer; embryo flat, not minute, cotyledons leaf-like.

An asterisk * indicates a state has been assumed but not yet confirmed.

World Checklist: 5 spp.