Cymaria Benth.

(Sub)shrubs. Stems and branches faintly 4-angled. Flowers small, in lax, many-flowered, peduncled, dichotomously branched cymes; cymes usually axillary, sometimes the upper ones forming a terminal thyrsoid inflorescence. Calyx campanulate (in fruit urceolate or subglobose), 10-nerved, intermediate nerves weaker than the other 5, equally 5-toothed. Corolla tube straight, exserted; limb 2-lipped, upper lip arched, erect, lower lip 3-lobed, spreading, midlobe larger than the lateral. Stamens 4, ascending under the upper lip, in 2 pairs, upper pair shorter; anthers 2-celled, divaricate, cells connivent, at length confluent. Disk equal, entire. Style 2-fid at apex, upper branch very short. Nutlets subglobose or obovoid, subtriquetrous, rugose, apex beset with white hairs; scar of contact surface very large, lateral.

Bound to a seasonal lowland tropical climate.