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Small tree, up to 6 m high. Young stems usually densely pubescent. Leaves broadly oblong to narrowly elliptic, 10-50 x 5-18 mm. Fruit 30-50 x 8-20 mm with an oblong or elliptic, somewhat obliquely curved wing. Nut 8-10 mm in diameter, rugulose or smooth. Flowers pink, purple and white.
Flowers pink or purple sometimes variegated with white, sweet-scented, pedicels up to 14 mm. long, pubescent, in terminal or lateral racemes, 3–5 cm. long, often borne on short shoots which become spiny, with minute, deciduous bracts and bracteoles and pubescent rhachis.
Leaves petiolate; lamina 1–5 x 0.5–1.8 cm., very variable in size and shape, from broadly oblong to very narrowly elliptic, usually minutely pubescent when young, soon becoming glabrous; petiole up to 5 mm. long.
Fruit 3–5 x 0.8–2 cm., with an oblong or elliptic somewhat obliquely curved wing, sometimes with a second rudimentary wing. Nut containing the seed 8–10 mm. in diam., rugulose or smooth.
Posterior sepal up to 5 x 4 mm. ovate-acuminate, with ciliate margins; wing sepals 5–11 x 4–9 mm., suborbicular, nearly glabrous; anterior sepals up to 5 x 4.5 mm., broadly ovate.
Upper petals up to 7.5 x 3.5 mm., narrowly elliptic, ciliate at the base; carina up to 10 mm. long with a small lobed appendage about 1 mm. long near the apex.
Small tree up to about 6 m. or shrub, sometimes spiny; stems usually pubescent at first, becoming glabrous.
Staminal sheath ciliate on the upper margin.
