shrubs. Leaves opposite or whorled, large, lateral veins prominent beneath; stipules
ovate or triangular, usually bifid, persistent. Inflorescence erect terminal
trichotomously branched panicles. Flowers small, tubular, heterostylous; bracts
and bracteoles small. Calyx tube small, persistent, lobes short, triangular.
Corolla tubular, long, slender, curved, lobes 5, valvate in bud. Stamens 5,
inserted near mouth of tube, included or exserted, anthers linear. Ovary
2-celled, one ovule in each cell, disc cylindrical, prominent, styles short or
long, stigmas 2. Fruit a smooth, fleshy drupe with 2 pyrenes. Seeds concave on
inner surface and cup-shaped.