Anodendron A.Dc.

Climbers or scramblers; producing white latex. Branches lenticellate or not; branchlets glabrous or, rarely, pubescent. Leaves opposite, those of a pair equal; petiolate; coriaceous to papery, entire. Inflorescence of axillary and/or terminal cymes, often forming panicles; flowers 5-merous, actinomorphic. Sepal lobes free; colleters at sepal margins at the base inside. Corolla lobes dextrorse; consisting of a narrow cylindrical tube which widens slightly at the point of stamen insertion into the upper tube and then with spreading lobes; lobes usually narrowly oblong or narrowly elliptic, rarely ovate, falcate. Stamens included in the corolla tube, attached in a ring to the style head; anthers subsessile (except in the non-Malesian A. benthamianum), fertile in the upper half only, the lower half sterile, laterally with lignified guide rails and sagittate appendages at the base. Disk annular, 5-dentate or 5-crenate. Gynoecium 2-carpellate, apocarpous but apically united into a common style, superior, ovoid, glabrous; ovules numerous; style glabrous, short; style head ovoid with a basal ring and no collar and short sharp projection on top. Fruit of paired follicles; divergent or subdivergent; wide at base, narrowing to end; longitudinally dehiscent. Seeds beaked, grain narrow ovate or elliptic, flattened; glabrous; coma pointing towards end of fruit.