Crossopteryx Fenzl

Shrubs or trees. Leaves opposite, shortly petiolate; stipules interpetiolar, triangular, subpersistent. Flowers fairly small, strongly scented, numerous in dense branched terminal corymbose panicles. Calyx-tube obovoid or globose; teeth 4–6, erect obtuse, deciduous. Corolla hypocrateriform; tube slender, not hairy at the throat; lobes 4–6, contorted, spreading. Stamens 4–6, inserted at the mouth of the tube; filaments very short. Ovary 2-locular; placentas affixed peltately to the septum; ovules few in each locule, imbricate-adpressed; style filiform, long-exserted; stigma clavate or ellipsoid, 2-lobed. Capsule ellipsoid or globose, crustaceous, loculicidally splitting into 2 persistent valves, each divisible into 2 parts along the septum, few-seeded. Seeds peltate, dorsally very compressed; nucleus ovoid; testa membranous, expanded into a broad lobulate and elegantly fimbriate wing; albumen sparse, fleshy.