Shrub 1-2 m high. Twigs stout, angular when young, terete when older, internodes up to about 10 cm, glabrous except the base which is surrounded by a dense mass of shiny brown hairs, glabrescent when the leaves have fallen. Leaves dark green (ex coll.), lanceolate, 3-4 times as long as broad, (10-)15-30(-40) by 4-7(-10) cm; base acute, top narrowed and acuminate; midrib more prominent below than above; nerves numerous, parallel; surfaces entirely glabrous except in the very youth; petioles very short, sulcate, base broad and provided with 2 c. 2-3 mm long stipules. Racemes terminal and in the higher axils; rhachis relatively thick, up to 10 cm, angular. Bracts convex, triangular-ovate, acute, c. 3 mm long, finely ciliate, mostly persistent. Pedicels with the articulation and 2 bracteoles at the extreme base, 1.5-2.5 cm, thin, terete, glabrous. Buds oblong. Flowers yellow. Sepals 2-3 by 1.5-2.5 mm, with broad base, finely ciliate, otherwise glabrous. Petals more or less narrowed into the claw, top rounded, 9-10 by 3-4(-6) mm, very fine ciliate. Filaments 3-5 mm, those of the outer whorl slightly longer and broader than of the inner one; anthers long and narrow, broadest at the cordate base, 3-5 mm long, connective little developed. Ovary ovate, c. 1.5 mm high, glabrous; styles threadlike, glabrous, stigma not thickened. Mericarps with a distinct, dorsal crest elongated in an acute apex, 1-1.5 cm long, glabrous, distinctly nerved.
Only little is known, most records from plains, highest one from 600 m alt. In bushes, in moist places. Fl. March-August.
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