Rounded often sprawling shrub, 0.6-1.6 m tall, resprouting or non-sprouting. Branchlets moderately to densely tomentose at flowering. Leaves almost terete to trigonous, 2-7 cm long, 1-1.5 mm wide or diam., 1.5-2 mm deep when trigonous, glabrous; longitudinal veins 3 at angles (including marginal veins) or not visible. Inflorescence a solitary axillary umbelliform raceme, grouped to form long brushes, with 12-16 flowers per axil; pedicels grey-blue, glabrous. Perianth opening steel-blue, soon almost white. Pistil 10.5-11.8 mm long; gland a small flap, c. 0.5 mm high. Fruit 1 or 2 per axil, stalked, obliquely broadly elliptic, 2.2-3 cm long, 1.4-2 cm wide, covered with prickles 1-6 mm long, scarcely beaked. Seed obliquely elliptic, 18-20 mm long, 8-9 mm wide; wing extending down both sides of body and narrowly at base, not notched, dark brown with black patches or streaks.
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