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Dioecious, spinescent, glabrescent, often densely branched succulent, up to 1 m tall, branches 2-8 mm diam., finely papillate to smooth, often spinescent at tips. Leaves soon deciduous, sessile, deltoid, usually with 2 spreading basal horns. Cyathia many, in cymes terminating some branches, sessile, 1-3 per cyme, 2-2.5 mm diam., often pubescent outside near base, with 4 or 5 yellow-green glands. Capsule slightly exserted on erect pedicel, 3-4.5 mm diam., sometimes pubescent.
Spineless, ± glabrous, often densely branched shrub, 0.1-1.0 m high, branches 2-8 mm in diam., finely papillate to smooth. Leaf-rudiments 1-2 mm long, deltoid, usually with 2 spreading basal horns, sessile. Cyathia many, 1-3 together terminating some branches, sessile, 2.0-2.5 mm in diam., often pubescent outside near base; glands 4 or 5, yellow-green. Flowering time Aug.-May. Capsule 3.0-4.5 mm in diam., obtusely 3-angled, sometimes pubescent, exserted for ± 1.5 mm.
Spineless, much-branched, succulent shrub, up to 0.7 m high. Leaves rudimentary, blade with rhomboid shape. Inflorescences on lateral branchlets as well as on occasional terminal ones. Flowers yellowish green.
Like E. tenax but stems stouter, often becoming rigid and slightly spiny near tips.
