A large, straggling or scrambling deciduous shrub, or a semi-deciduous tree up to 8 m tall, usually spiny, bark yellowish or brownish-white, smooth, twigs puberulous or villose when young. Leaves ovate to elliptical or triangular in outline, entire or 3—5-lobed, 1—9.5(—13) cm x 1.5—6 cm, base acute to cuneate or rounded, apex acute or obtuse, glabrous on both surfaces when mature, pale green above, glaucescent and minutely white-glanduliferous below. Panicles racemiform axillary or terminal, 2.5—5 cm long, nodding or pendulous, bracts small, caducous; calyx about 4 mm long, very shortly 4-toothed, glandular, corolla bilabiate, yellow, 4—5 cm long, externally finely pubescent, internally glabrous, tube widening into a 4-lobed limb, the lowest largest, fertile stamens 2, staminodes 2. Drupe ovoid or pyriform, about 2—3 cm long, 1- or 2-celled and -seeded, yellow when ripe.

Demulcent and alterative (plant); antibacterial (leaves soaked in water)

PROSEA (Plant Resources of South-East Asia) Foundation

Used as a blood purifier and in the treatment of rheumatism, incontinence, gonorrhoea and syphilis as well as for infections of the bladder and to promote micturition (roots); in urogenital affections (macerated leaves); used internally, against rheumatism, yaws and nervous diseases (infusion of shoots).