Cymaria dichotoma Benth.

Shrub, 0.5-2 m. Stem and branches finely pubescent. Leaves membranaceous, sometimes very thin, narrowly elliptic, ovate to rhomboid, 5-11 by 3.5-6 cm, acute or subacute, rarely acuminate, serrate, crenate or remotely dentate, base cuneate or attenuate, entire; glabrous or finely hirsute above, appressed-pubescent beneath; petiole 0.5-2 cm, finely puberulent. Flowers small, 4-15 secundly arranged on the branches of axillary and terminal cymes; main peduncles 0.5-3 cm, finely pubescent. Bracts under the branches ovate, spathulate to lanceolate, 3-5 mm long. Pedicels short and slender, finely pubescent. Calyx campanulate, 1.5 mm long (in fruit urceolate, 2-2.5 mm long, often crowned with the erect, deltoid teeth), glandular and pubescent; teeth triangular. Corolla whitish, pale yellow or yellow, with a red basal spot in lower lip, 2-2.5 mm long, outside finely pubescent. Filaments ascending under the upper lip, included. Nutlets obovoid, 1.2-1.5 by 0.6 mm, reticulate, apex glandular and beset with short stiff hairs.

Distinctly bound to a seasonal, lowland climate, in Malay Peninsula and Puger (SE. Java) on limestone rocks, in open thickets and secondary growths, forest edges, deciduous forest, below 500 m Fl. (Jan.-)March-Aug.(-Oct.).