Perennials, 20-30 cm tall. Stems erect, rarely ascending, simple, sparsely villous with multicellular hairs. Leaves 4 or 5 pairs, evenly distributed; petiole 3-4 cm on lower leaves, shorter on upper; leaf blade shallowly cordate to ovate, 4-8 X 2-4.5 cm, larger upward, papery, abaxially puberulent along midrib, adaxially puberulent, margin deeply incised dentate. Racemes (1 or)2-4, in axils of uppermost leaves, 10-20 cm, lax; bracts linear, longer than pedicel, glabrous or sparsely ciliate. Pedicel straight, 2-3 mm. Calyx 4-lobed; lobes lanceolate, 3-4 mm, subequal, glabrous or sparsely ciliate. Corolla blue, purple-blue, or pink, rotate, ca. 1.2 cm in diam.; tube less than 1.5 mm; throat sparsely villous with multicellular hairs. Stamens shorter than corolla. Capsule deltoid-flabelliform, strongly compressed, ca. 4 X 7-9 mm, base subtruncate or at an angle of ca. 150°, margin apically sparsely ciliate with multicellular hairs, emarginate. Style 6-7 mm. Seeds 2-10 per locule, ovate-globose, flattened, slightly convex, ca. 1.5 mm. Fl. Jun.
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