Herbs perennial, stemless, 30-40 cm. Leaves basal, 1-pinnately compound; lateral leaflets 2-8 pairs, ovate to ovate-lanceolate, glabrous, base slightly cordate to broadly cuneate, margin serrate, apex obtuse to acuminate. Inflorescences racemose, 2-4-flowered, subterminal; peduncle subequalling or much longer than pedicels; bractlets linear, ca. 1 cm. Calyx campanulate, ca. 2.5 cm; teeth triangular, apex acuminate. Corolla purple-red or pale red, 7-10 X 5-7 cm; tube 5-6 cm; lobes rounded. Anthers adherent and surrounding style, strongly divergent. Style 5-7 cm; stigma flabellate, thin membranous, 2-lobed. Capsule conical, 6-8 X ca. 1 cm, indistinctly striate. Seeds broadly ovoid, numerous. Fl. May-Aug, fr. Jul-Nov.