Erect to spreading cauliflorous shrub, 1-3 m tall, non-sprouting. Branchlets densely appressed-pubescent at flowering (woody flowering branches glabrescent). Leaves ±terete, finely striated, 3-12.5 cm long, 0.8-1 mm diam., sparsely appressed-pubescent to glabrous; longitudinal veins 12 all around, from near base for entire length. Inflorescence a ±spherical umbel, 1 or 2 per node on bare wood below leafy parts, rarely axillary, with c. 50 flowers per umbel; pedicels purple, glabrous. Perianth mauve. Pistil 10-13.5 mm long, cream; gland rounded obtriangular. Fruit 1-20 per node, shortly stalked, obliquely oblong-elliptic, slightly curved at apex, 1.4-1.8 cm long, 7-9 mm wide, not beaked but shortly apiculate. Seed obliquely obovate, 10.5-14 mm long, 4-6 mm wide; wing extending broadly down one side of body only, sometimes notched, blackish brown.
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