Shrubs or trees. Leaves sessile or shortly petiolate, 19-143 mm long; 1-9-veined. Inflorescences terminal, a small dichasium; bracts and bracteoles scale-like. Flowers pedicillate, 5-merous, actinomorphic; calyx fused from base up to ca. 3/4 of length, coriaceous, campanulate, lobes elliptic, with a thickened dorsal and glandular area, apex obtuse; corolla bud apex rounded; corolla fused at base, coriaceous and fleshy, funnel-shaped to narrowly salver-shaped, 21-45 mm long; androecium zygomorphic with stamens and style bent towards bottom of corolla mouth; stamens inserted in lower half of corolla tube, of unequal length, base of filaments without appendages, anthers lanceolate, connective apex obtuse; pollen in tetrads; pistil with nectary disk around base, stigma bilamellate. Fruit a capsule, with persistent calyx and deciduous corolla; seeds angular, testa pattern with concave and convex cells and rimmed edges (unwinged).
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