Bisexual, spineless, ± glabrous shrub, 60-300 mm high, with persistent remains of peduncles, branches 20-50 mm thick covered densely with grey-green tubercles 2.5-5.0 mm long. Leaves 20-110 x 2-4 mm, linear. Cyathia solitary in axils of tubercles, on peduncle 15-70 mm long, closely surrounded by plate-like whorl of 3-5 larger grey-green bracts 6-12 x 8-16 mm, bisexual, 6-7 mm in diam.; glands 5, entire, slightly puberulous. Flowering time Mar.-June. Capsule 7-8 mm in diam., ± spherical, finely pubescent, sessile.
Like E. clandestina but sometimes branching below, tubercles often rounded, leaves 20-150 x 3-6 mm, cyathia solitary on peduncles 15-60 mm long, peduncle with several bracts, 3-5 forming a cup subtending cyathium, glands entire, green.