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Stem subterranean, much reduced, merging imperceptibly with the root, 1–2 cm thick, branching at the apex below ground and producing numerous branches to form large clumps up to 1 m in diameter.
Spine shields crowning the tubercles, 2–2.5 mm long, ± triangular; spines 3–4 mm long, widely divergent, with expanded bases; prickles minute or absent.
Cyathia 2.5–3 × 6–7 mm, broadly obconic; glands c. 3 mm wide, transversely elliptic, touching, yellow; lobes c. 1.5 × 2 mm, fan-shaped, fimbriate.
Male flowers c. 35: bracteoles c. 3 mm long, narrowly cuneate, fimbriate; stamens c. 5.5 mm long.
Cymes solitary, 1(2)-forked, subsessile; bracts c. 3 × 2.25 mm, broadly ovate.
Female flower: styles immature, c. 1.5 mm long, free almost to the base.
Spiny succulent dwarf perennial with a large woody tuberous root.
Leaves to 2.25 × 1 mm, ovate, sessile, deciduous.
Capsule and seeds not seen.
