Gonystylus stenosepalus Airy Shaw

Small tree. Branchlets ochraceous brown. Leaves elliptic, 12-20 by 5-9 cm, rounded at base, shortly acuminate at apex, chartaceo-coriaceous, glabrous, yellowish-ochraceous when dry, smooth but not shining on both surfaces, not shagreened; venation distinct on both surfaces, moderately close; midrib narrowly prominent above; petiole 12 by 1-2 mm, conspicuously channelled above, glabrous. Inflorescences simple, terminal, 12-14 cm long, with very shortly peduncled fascicles of flowers, thinly adpressed-puberulous. Pedicels elongate, slender, 1½-2 cm, shortly sericeous. Flowers 6-7 mm long. Sepals narrowly triangular, c. 5 mm long, 2-2½ mm wide at the base, acute, shortly sericeous. Petals about 20, subulate, 4 mm, pustulate, glabrous. Style glabrous. Fruit unknown.

Unknown, but doubtless primary rainforest.