Trees, small to medium sized, or shrubs. Branchlets terete, rough to smooth. Leaves (im)paripinnate; Inflorescences axillary, subterminal or ramiflorous, paniculate or thyrsoid; Flowers regular, seemingly bisexual. Sepals 5, subpersistent in fruit, outer 2 slightly to distinctly smaller than inner 3, inner ones with a petaloid margin. Petals 5, (distinctly) clawed; Stamens 8 (or 7); Ovary 3- (or 2-)celled, sericeous; Ovules 1 per cell. Fruits obcordate to reniform, with one to all lobes developing, loculicidal, outside rugose to ribbed, often laxly hairy, inside (densely) papillose, stipe absent to very distinct. Seeds obovoid to orbicular, covered by a cup-shaped arillode (or a sarcotesta), except at the apex;
Asia-Tropical: Borneo present; Maluku (Maluku present); New Guinea present; Philippines (Philippines present); Sulawesi (Sulawesi present), Australasia
14 species in Australia and Malesia: Borneo, Philippines, Celebes, Moluccas, New Guinea.
Distinctive of Rhysotoechia are the glabrous leaves, glossy above, slightly dull below, and the fruits, which are densely papillose inside.
Etman - in Blumea. 1994: in press.
Radlk. - in Sitzungsber. Math.-Phys. CI. Königl. Bayer. Akad. Wiss. München. 1890: 264, 291
S.T. Reynolds - in Austrobaileya. 1984: 41
Radlk. - in Engl., Pflanzenr. 98. 1933: 1209
Radlk. - in Fl. Austral. 1985: 63
Radlk. - in Sitzungsber. Math.-Phys. CI. Königl. Bayer. Akad. Wiss. München. 1879: 484, 489, 541