Heywoodia Sim

Dioecious evergreen tree lacking indumentum. Leaves alternate, petiolate, peltate in the seedling stage and on sucker-shoots, otherwise basally attached, stipulate, simple, entire, symmetrical at the base, coriaceous, penninerved. Flowers fasciculate, the males densely so, and sessile, the females in 1–3-flowered cymes and shortly pedicellate, axillary. Male flowers: bracts 4, free, imbricate, broad, concave, unequal; sepals 3, free, imbricate, broad, concave, unequal, in size and texture intermediate between the bracts and the petals; petals 5, free, imbricate, concave, subequal; disc peripheral, crisped-lobulate, invaginated amongst the filaments of the outer whorl of stamens, fleshy; stamens (8–)10–11(–12), in 2 whorls, filaments free, anthers erect, slightly recurved, dorsifixed, introrse, thecae parallel, longitudinally dehiscent; pistillode minute, trifid. Female flowers: bracts, sepals and petals ± as in the ♂; 1–2 bracteoles also present; disc ± annular, slightly lobulate, shallowly cupular; staminodes 6–8, filiform; ovary 4–5-locular, with 2 ovules per locule; stigmas 4–5, sessile, bilobed. Fruit slightly depressed-subglobose, shallowly 8–10-lobed and 4–5-ridged, tardily dehiscent, leaving a columella; pericarp thinly fleshy, smooth, becoming rugulose when dried; endocarp bony. Seeds solitary per locule by abortion, ecarunculate, obliquely ovoid, rounded-triangular in section, ± smooth; endosperm papery; embryo minute, cotyledons broad, flat.