Perennial; rhizome vertical to oblique, rather stout, bearing leaves and usually stems at apex. Stems up to 25 cm, creeping to ascending, sometimes rooted at lower nodes. Leaves ¾-2½ by ¾-1¾ cm, (1-)1¼-1½ times as long as broad, elliptical to elliptic-ovate, cordate at base with narrow sinus and basal lobes rounded and somewhat converging, acute to subobtuse, shallowly crenate, subdentate on lobes, pubescent, often densely so; petiole ¾-12½ cm, slender, hirsute. Stipules 3-9 by 0.6 to c. 1 mm, lanceolate, acute, fimbriate to dentate, glabrous, fuscous. Flowers 9-12 mm, pale purple with darker veins; peduncle 4-9 cm, exceeding leaves, slender. Sepals 2-4 by c. 1 mm, ovate-lanceolate, acute, entire, sparsely pubescent on back and margin; appendage c. ½ mm, rounded, ciliate. Petals 2-3 times as long as broad, obovate to oblanceolate; basal usually shorter than the others; laterals and usually upper bearded; spur 0.8-2 mm, exceeding calycine appendages, cylindrical, obtuse. Style 1.2-1.4 mm, geniculate at base, clavate distally, with apex distinctly lobed on both sides and anterior stigmatic beak. Capsule 4-5 mm, globose to oblong, glabrous.
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