Diplorhynchus Welw. ex Ficalho & Hiern

Apocynaceae, A. J. M. Leeuwenberg & F. K. Kupicha et al. Flora Zambesiaca 7:2. 1985

Morphology General Habit

Shrub or tree with white or yellow latex.

Morphology Stem

Branchlets usually dotted with paler lenticels.

Morphology Leaves

Leaves opposite or rarely subopposite, those of a pair equal, often fairly long-petiolate.

Morphology Reproductive morphology Inflorescences

Inflorescence thyrsoid, terminal and in axils of the upper leaves, lax to congested; bracts obscure.

Morphology Reproductive morphology Flowers

Flowers actinomorphic except for the sometimes slightly unequal sepals.

Morphology Reproductive morphology Flowers Calyx

Sepals ovate, acute, connate at the base.

Morphology Reproductive morphology Flowers Corolla

Corolla hypocrateriform; tube usually much longer than the calyx, nearly cylindrical, ventricose in the upper half and constricted at the mouth, inside velutinous to sericeous except for the glabrous base; lobes narrowly oblong or narrowly obovate, inside at the base pilose or sericeous, overlapping to the left in bud, spreading.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens included; inserted near the middle of the corolla tube; filaments filiform, much widened at the apex; anthers triangular, completely fertile, mucronate, sagittate at the base.

Morphology Reproductive morphology Flowers Gynoecium Ovary

Ovary of two basally connate carpels; 4 ovules on an adaxial placenta in each carpel; clavuncula subcylindrical.

Morphology Reproductive morphology Fruits

Fruit composed of two obliquely oblong follicles, outside dotted with many paler lenticels, dehiscent at the adaxial side.

Morphology Reproductive morphology Seeds

Seeds laterally compressed, obliquely oblong, long-winged at the apex; wings of the two outer seeds directed towards the base and those of the two central seeds towards the apex of the fruit.