Oxyanthus

Shrubs or small trees. Leaves often large, petiolate; domatia often present as hairy tufts in nerve axils; stipules green in dry state, ovate, deciduous. Flowers in dense, axillary racemes or panicles. Calyx 5-lobed; lobes subulate, linear or ovate, +/- as long as tube; limb with distinct tubular part; tube campanulate or turbinate-oblong, sometimes truncate. Corolla 5-lobed, white, glabrous; lobes narrowly elliptic or lanceolate, acuminate, contorted; tube long cylindric, sometimes somewhat filiform, hairy within. Stamens 5, arising in corolla mouth, usually exserted; anthers linear, sessile, with curved or straight apiculus, sometimes bluntly sagittate. Disc annular, cushion-like. Ovary 1- or 2-locular, with many ovules; style filiform, exserted; stigma usually fusiform or clavate, or elliptic, usually bifid. Fruit baccate, ellipsoid or ovoid, many-seeded, rarely with a single seed in each locule. Seeds somewhat compressed, often transversely oblong, striate. x = 11.