Decumbent, succulent herb up to 100 mm tall; basal tuber 30 x 15 mm, white. Stems 4-angled, 2-4 mm in diameter, sparsely pilose, punctate, glands orange; internodes 3-6 mm long. Leaves conduplicate, succulent, firm, ovate to subrotund, 9-14 x 9-14 mm, entire to dentate-serrate in upper half, teeth shallow, in 4 or 5 pairs; sparsely pubescent, punctate, glands orange, base broadly cuneate, apex obtuse; petiole 2 mm long. Raceme 50-70 mm long, simple; cymes 3-flowered, 5-10 mm apart; bracts broadly ovate to subrotund, mucronate, 4 x 4 mm, initially imbricate, caducous; pedicels 5 mm long. Calyx 3 mm long (enlarging to 5 mm), upper lip broadly ovate, 2.0 x 2.5 mm, lower lobes 4, linear, 2 mm long. Corolla 15 mm long, white; tube laterally compressed, slightly geniculate, 5.0 x 1.5 mm, expanding to 3 mm at throat, upper lip 3 mm long, 2-lobed, lateral lobes 2.5 mm long, lower lip boat-shaped, 9 mm long. Nutlets brown to black, ovoid, 1.5 x 1.0 mm.
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Perennial herb, up to ± 0.1 m high; roots tuberous, white; stems succulent, sparsely pilose, punctuate, glands orange. Leaves conduplicate, succulent, firm, ovate to subrotund, 9-14 x 9-14 mm, base broadly cuneate, apex obtuse, margins entire to dentate-serrate in upper half, teeth shallow, 4 or 5 pairs. Inflorescence terminal, rachis 50-70 mm long; verticillasters 6-flowered; bracts broadly ovate to subrotund, mucronate. Flowers white. Calyx with upper lip broadly ovate, lower lobes 4, linear. Corolla 15 mm long; tube laterally compressed, slightly geniculate; upper lip 2-lobed; lower lip boat-shaped. Flowering time Mar.-May. Fruit an ovoid nutlet, brown to black.
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