Dwarf succulent forming diffuse clump up to 100 mm diam., sometimes rhizomatous. Stems 50-120 mm long, ±5 mm thick (excluding teeth), slender, erect to decumbent, pale green marked with purple-brown; tubercles 5-20 mm long, arranged loosely into 4 obtuse rows along stem with shallow groove between rows, tapering into long slender conical usually ascending tooth mostly with pair of acute denticles inserted about two thirds of distance towards apex. Inflorescence 1 per stem near base, of 1-3 flowers developing in gradual succession on peduncle <5 mm long; pedicel ±20 mm long, spreading sometimes with ascending apex; sepals 6-8 mm long, 1.5-3.0 mm broad at base, ovate-acuminate. Corolla 30-50 mm diam., rotate, deeply lobed; outside pale green, glabrous; inside glabrous and smooth or minutely pubescent towards tips of lobes, cream-coloured or yellowish with numerous small maroon to purple-brown spots within tube which become larger and usually confluent towards apex of lobes; tube ±5 mm long, 6-10 mm broad, broadly campanulate but steep-sided, with abruptly raised annulus near base 2-3 mm long and 4-6 mm broad (about 1 mm thick) around base of gynostegium, pentagonal; lobes ±16-20 mm long, 6-12 mm broad at base, spreading to reflexed, ovate to ovate-lanceolate, acute, with spathulate cilia 2-4 mm long along margins usually at least in lower half to eciliate, margins often somewhat folded upwards. Corona 3-6 mm tall, 4-5 mm broad, seated on stout pentagonal stipe 2-3 mm long; outer lobes 1.2-1.5 mm long, subquadrate, spreading with apices closely recurved over rim of annulus, cream with broad purple-brown patch down middle; inner lobes 1.2-1.5 mm long, adpressed to backs of anthers, hiding and exceeding them to meet in centre but not produced above them, ± ovate, acute, slightly gibbous on rear, cream finely spotted with pale purple.
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