Herbs perennial, acaulescent, to 12 cm tall. Rhizome erect to ascending, rather stout, with white or yellowish roots. Stipules narrowly lanceolate, 1/3-1/2 adnate to petioles, margin entire or inconspicuously and remotely glandular serrate; petiole sparsely puberulous or glabrous, narrowly winged; leaf blade oblong-ovate, 3-8 × 1.5-5 cm, both surfaces appressed puberulous or glabrescent, base shallowly cordate or truncate and long decurrent to petiole, margin serrate to crenate-serrate, apex slightly acute. Pedicels longer than leaves, 7-9 cm, glabrous or very sparsely puberulous, 2-bracteolate near middle; bracteoles linear, ca. 5 mm. Sepals ovate or ovate-lanceolate, ca. 5 × 1.8-2 mm, appendages very narrowly square, 1-1.5 mm, apex obtuse or dentate. Petals rounded at apex, upper ones obovate, ca. 9 × 4.5 mm, lateral ones oblong, ca. 1 × 0.3 cm, bearded; anterior one triangular-obovate, ca. 9 mm; spur somewhat elongated, 4-6 mm, thin, somewhat curved upward. Style somewhat geniculate at base, clavate, apex flat, broadened on both sides and distinctly margined, somewhat erectly beaked in front. Capsule ellipsoid, 5-7 mm, glabrous. Fl. Mar-May, fr. May-Oct.
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