Leaves opposite, those of a pair equal, petiolate; Inflorescence of axillary and terminal cymes, often forming into a terminal panicle, glabrous or puberulent, lax; Sepals free, entire, often with a thick base, with a row of colleters at the base inside. Stamens seemingly free but actually very loosely adnate to style head, inserted near base of corolla tube; Fruit of paired follicles, fusiform to terete, pointed at ends, somewhat laterally flattened, longitudinally dehiscent, many-seeded. Seeds elliptic with a coma pointing towards fruit apex, grain slightly elongated at end with coma.
Asia-Tropical: Philippines (Philippines present), Pacific: Fiji (Fiji present); Tonga (Tonga present), Solomon Islands present
4 species in the Philippines, Solomon Islands, Fiji, Tonga; in Malesia 2 species.