Large spreading tree to c. 30 m high; bark fissured, grey. Smaller branches, branchlets and shoots long, slender, pendulous. Shoots green or brownish green, rather brittle. Shoots and lvs with appressed hairs, soon glabrous. Buds very small, soon glabrous. Petiole 5-8 mm long. Lamina 6-13 × 1-2 cm, narrow-lanceolate, glaucescent or glaucous below, slightly shining above, rather remotely serrulate; apex long-acuminate. Lvs subtending catkins generally c. 3 × c. 0.8-1 cm; apex acute or short-acuminate. Stipules on long shoots with curved apices. Catkins ♀, appearing with and after lvs on short leafy shoots, 1.5-3 cm long, narrow-cylindric, often curved; rachis villous. Bracts 2-2.5 mm long, narrow-triangular or lanceolate-oblong, green; margin not incurved; apex acute. Gland 1, 0.5-0.6 mm diam., broadly rectangular or almost square, sometimes 2-lobed. Ovary sessile, glabrous.