Trees or shrubs; branchlets glabrous. Leaves imparipinnate, 2-5(-8)-jugate; not crowded at tips of branches; leaflets +/- opposite, usually with pitted glands in upper (and sometimes in lower) surface; petiole and rachis not winged. Flowers in terminal and axillary thyrses. Calyx 2-5-lobed, or often bud rupturing irregularly to give a variable number of lobes. Petals 5, imbricate, puberulous. Stamens 10, 5 antepetalous ones somewhat shorter; filaments with hairy appendage at base. Disc annular to subcylindric, sometimes partially enveloping ovary, with furrows on outside accommodating stamens. Gynoecium of 5 carpels free, except for cohering styles, each carpel containing 1 ovule; styles very short, connate; stigmas 5. Fruits of 1-3(4) drupaceous mericarps. Seeds 1 per mericarp.
Species 35-40, pantropical; sthn trop. Afr. 5, Angola, Zambia.
Hannoa Planch.: 566 (1846); Exell & Mendonca: 277 (1951); White: 172 (1962); Wild & Phipps: 216 (1963). Mannia Hook.f.; Exell: 54 (1927). Pierreodendron Engl.; Exell & Mendonca: 278 (1951).
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