Perennial; rhizome more or less vertical, up to 2½ cm, bearing leaves, flowers and stems at apex. Stems up to 25 cm, slender, glabrous, leafy, with flowers and rooted at some nodes. Leaves 0.4-3 by 0.6-2.8 cm, ovate to somewhat reniform, shallowly to deeply cordate at base, obtuse to acute, crenate to distantly dentate, glabrous, sometimes sparsely pilose near sinus; petiole 0.2-8 cm, glabrous or pubescent, especially dis-tally. Stipules 2-3 mm, ovate-lanceolate to lanceolate, acute, sparsely dentate or dentate-fim-briate, glanduliferous on margin and apex, glabrous or slightly ciliate, fuscous, adnate to petiole for ½ length. Flowers 4-10 mm, pale purple to white, with darker veins; peduncle 2½-25 cm, glabrous or sparsely pubescent distally. Sepals 2½-6½ by ½-1½ mm, lanceolate to ovate-lanceolate, acute, entire or sparsely fimbrio-dentate, glabrous, green or fuscous, with scarious margin; appendage up to 1 mm, rounded. Petals 1½-2 times as long as broad; basal obovate; others oblanceolate; laterals bearded; spur 0.2-2.4 mm, shorter than to slightly exceeding calycine appendages, rounded. Style 1.8-2½ mm, geniculate at base, somewhat curved, filiform; stigma simple, somewhat cupuliform at maturity. Capsule 5-7 mm, ellipsoid, glabrous, purple to green. Chromosome number: 2n = 48.
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