Gymnosporia polyacantha Szyszył.

Rigid shrub or tree, up to 3 m high; long shoots curving downwards and inwards, giving plant a drooping habit, with thorns. Branches terete, whitish grey, smooth. Leaves fascicled or alternate, subsessile; lamina oblanceolate or linear-oblanceolate, 10-40 x 2-8 mm, apex obtuse or emarginate, base cuneate, margins entire or slightly serrate. Inflorescences shorter than leaves. Flowers cream-coloured or white; pedicels 1.0-1.5 mm long. Sepals 0.75 mm long, margins ciliate. Petals oblong, ± 2 mm long, margins uneven, somewhat undulate. Male flowers: stamens as long as or longer than petals. Female flowers: staminodes shorter than stamens of male flowers; ovary 3-locular; stigma 3-branched. Fruit a 3-valved, triquetrous capsule, ± 4 mm long, smooth, reddish. Seeds partially enveloped by yellow aril.