Perennials, 10-15 cm tall. Stems ascending, sparsely pubescent basally and densely apically. Leaves 3-6 pairs; petiole 5-8 mm, pubescent; leaf blade broadly ovate to deltoid-orbicular, 1-1.5 X 0.8-1.5 cm, papery, puberulent, base truncate to rounded, margin with 5-7 shallowly incised teeth on each side with tip toward leaf apex, apex acute. Racemes axillary in upper leaves, 1.5-2 cm, (1 or)2-or 3(-5)-flowered, nearly as long as leaves; bracts linear, glabrescent. Pedicel often subtended by a pair of linear bracteoles, ca. 2 mm in fruit, puberulent. Calyx 4-lobed; lobes linear-lanceolate, 2-3 mm, subequal, glabrous or glabrescent, apex acuminate. Corolla pink, rotate, 4-5 mm in diam.; tube less than 1.5 mm; throat hairy. Capsule pliciform-rhomboid, strongly compressed, 3-4 X 7-8 mm, angled, base cuneate-truncate, apically short ciliate on angles, emarginate. Style 1.5-1.8 mm. Seeds 2-10 per locule, ovoid, flattened, slightly convex, ca. 1.2 mm. Fl. Apr-Jul.
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