Erect shrub, 0.3-1.5 m tall, non-sprouting. Branchlets densely villous at flowering. Leaves below flowering parts flat, narrowly obovate to elliptic, 2-5.5 mm wide, in flowering region usually trigonous, linear, rigid, 0.8-1.6 cm long, 1-2.5 mm wide, glabrescent; marginal veins prominent; upper surface venation absent or obscure; lower surface with midvein only prominent. Inflorescence a solitary axillary umbelliform raceme, clustered into elongate brushes, with 8-12 flowers per axil, strongly perfumed; pedicels glabrous. Perianth cream-white. Pistil 6.5-9 mm long; gland a small obtriangular flap, 0.3-0.4 mm high. Fruit scarcely woody, subsessile, obliquely broadly ovate, slightly curved, 0.9-1 cm long, 0.6-0.8 cm wide, shortly beaked, apiculate. Seed obliquely broadly elliptic, 6.7-9.3 mm long, acuminate; wing extending more broadly down one side of body, narrowly down other, and sometimes narrowly around base, blackish brown, sometimes with paler patches.