Description: Trees or shrubs, unarmed; trunk cylindrical not buttressed.
Leaves alternate, bipinnate, glands on petiole, primary and secondary rachises; pinnae opposite, pinnules alternate along secondary rachis; stipules not spinescent.
Inflorescences axillary, head-like corymbs, many-flowered; peduncles often paired, shorter than leaves. Flowers usually 5-merous, bisexual, all uniform, subtended by bracts. Calyx cup-shaped, 5-toothed. Corolla cylindrical, 5-lobed. Stamens numerous, united in a tube about as long as corolla, free parts exserted.
Pod curved into a circle, papery, flattened, not septate, twisted on dehiscence; seeds ± ellipsoid, black, shiny, without an aril.
Distribution and occurrence: World: 1 species, Java & Australia. Australia: 1 species
Text by G. J. Harden
Taxon concept:
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