Description: Shrubs or trees with copious milky latex.
Leaves opposite or in whorls of 3 or 4, with numerous, ± transverse secondary veins.
Flowers in terminal or upper axillary cymes. Calyx segments thick, without glands. Corolla tubular, lobes spreading, overlapping to the left in bud. Stamens enclosed in the tube, not fused, free from the style. Ovary of 2 distinct carpels united by the style; style head conical; ovules 4–6 in each carpel.
Fruit a pair of drupes, often solitary by abortion; endocarp with 2 prominent cavities, the seeds on a central placenta between the cavities, seeds usually 4–6, broad, flattened.
Distribution and occurrence: World: 21 spp., Mauritius to N.G., Aust., N.C., Hawaiian Is & Bonin Is. Aust.: 2 spp. (1 sp. endemic), Qld, N.S.W.
Text by G. J. Harden & J. B. Williams
Taxa not yet included in identification key