Erect rounded or sprawling shrub, 1-4.5 m tall, non-sprouting. Branchlets densely tomentose with colourless hairs at flowering. Leaves narrowly to broadly ovate or elliptic, ±flat, 1.5-8.5 cm long, 12-27 mm wide, cordate to broadly cuneate at base, crenate to ±entire, acute, pale green; longitudinal or palmate veins 3, rarely 5; secondary veins reticulate, prominent. Inflorescence solitary with 16-20 flowers; pedicels glabrous. Perianth cream-white. Pistil 6.5-10.5 mm long; gland present. Fruit obliquely ovate, 2-3.1 cm long, 1.1-1.8 cm wide, sometimes with recurved apex, beaked. Seed narrowly ovate or elliptic, 14-18 mm long; wing extending narrowly and fully or partly down one side of body only, blackish brown throughout.