Spreading multi-stemmed woody shrub 1-3 m high, or single-stemmed to 5 m high, lignotuberous. Branchlets appressed-pubescent, with white and ferruginous hairs, quickly glabrescent apart from white appressed hairs at leaf bases. Leaves terete, not grooved, 2.5-7.5 cm long, 1-1.5 mm wide, initially with white and ferruginous appressed hairs, quickly glabrescent; apex usually somewhat uncinate (not quite as markedly as H. tephrosperma ). Inflorescence of 8-26 flowers; rachis 3-6.5 mm long, simple but with potential to branch from ferruginous bud on rachis, densely appressed-to ±raised-pubescent with ferruginous hairs, sometimes mixed with white hairs; pedicels 2.5-3 mm long, sparsely appressed-pubescent, with hairs predominantly white. Perianth 2.5-3 mm long; claw glabrous except at very base; limb with sparse white-appressed hairs. Pistil 7-7.5 mm long. Fruit 19-23 mm long, 7-12.5 mm wide, ±smooth, grey or grey-black; beak oblique, comprising c. 1/3 length of fruit; horns eroded. Seed 14-16.5 mm long, 6-7 mm wide; wing decurrent 1/2-3/4 way down one side of seed body only, light brown to grey-yellow.