Small to medium-sized trees; bark rough and ± fissured. Branchlets spreading but not slender and pendulous. Shoots olive, brownish green or less commonly yellowish, usually snapping moderately easily, hairy when young. Buds brown, ± hairy. Petiole of lvs on reproductive shoots to c. 1 cm long. Lamina to c. 12 × 2.7 cm, lanceolate or narrowly elliptic-lanceolate, glaucous below, shining above, fairly soon glabrous, finely glandular-serrulate; apex acuminate. Stipules minute. Catkins ♂ or ♀, to c. 6 cm long, ♀ longer at fruiting, appearing with or after lvs; rachis villous. Bracts 2-4 mm long, elliptic-oblong, ovate-oblong, or oblong, green, strongly incurved, hairy to glabrate; apex usually obtuse to rounded, sometimes acute. Glands (1)-2, 3-7 mm long, elliptic-oblong to rectangular or square, sometimes wider than long. Stamens 2; filaments hairy towards base. ♀ fls with very short pedicels; ovary subsessile or with pedicel to c. 0.8 mm long, glabrous.