Herbs perennial, with developed tap root. Rhizome erect, brown, short, robust, densely noded. Stems several, erect, obliquely ascending, or nearly procument or creeping, 5-20 cm tall at anthesis, to 30 cm tall at fruiting, glabrous or puberulous. Stipules brown, narrowly lanceolate, 1-1.5 cm × 1-2 mm, margin fimbriate-dentate, teeth 2-5 mm, apex acuminate; petioles of basal leaves to 8 cm, those of cauline leaves shorter, puberulous; blades of basal leaves cordate or broadly cordate, 1-4 × 1-3.5 cm, both surfaces glabrous or subglabrous, rarely puberulous abaxially, with dense brown glandular dots, base narrowly sinuate, margin obtusely serrate, apex obtuse or ± acute; blades of cauline leaves triangular-cordate or narrowly ovate-cordate, 1-6 cm, base shallowly sinuate or broadly triangular. Flowers purplish to white, fragrant; pedicels produced from base of stem or cauline leaf axils, 6-11 cm, much exceeding leaves, with 2 linear bracteoles above middle. Sepals lanceolate, ca. 7 mm, with brown glandular dots, apex acute, basal auricles ca. 2 mm, apex truncate, shallowly dentate. Petals obovate-oblong, with brown glandular dots, margin repand, lateral petals glabrous, anterior one 1.5-2 cm (spur included); spur 6-8 mm, ca. 2 mm in diam., usually curved downward, rarely straight; 2 anterior stamens long spurred, spur suberect. Ovary glabrous; styles slightly geniculate at base, gradually thickened toward top and clavate; stigmas not papillose, curved forward, forming a short beak, with a broad stigma hole at tip of beak. Capsule ellipsoid, ca. 1 cm, with dense brown glandular dots, apex acuminate. Fl. Mar-May, fr. May-Aug. 2n = 20*.
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A herb. It keeps growing from year to year. It has a taproot. It has a brown rhizome. The stems are erect and 5-20 cm tall. The leaves are broadly heart shaped. They are 1-4 cm long by 1-4 cm wide. The flowers are purplish to white.
Can be grown by divisions or seedlings. Seeds needs stratification.
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