Shrub to 2 m high. Branchlets and peduncles pubescent. Leaves usually clustered; lamina narrowly elliptic, obovate or elliptic-oblong, obtuse, truncate, mucronate or retuse, entire or crenulate, 1.5–9 cm long, 0.8–3.4 cm wide, velvety or coarsely pubescent; petiole 0.2–1.4 cm long. Inflorescence a terminal or axillary raceme or panicle, or flowers solitary. Flowers 5–14 mm diam.; pedicels 2–22 mm long. Sepals 5–10, elliptic, acute, pubescent. Stamens 30–74. Ovary obovoid or obcordate, truncate, or 3-or 4-lobed at apex, pubescent; style 5–25 mm long. Fruit 3-or 4-locular oblong-obovoid or ellipsoidal, pubescent or puberulent; wings divaricate or erect, broadest in upper third or quarter, 2–7 mm long, 2–14 mm wide.