Perennials, erect, 50-80 cm tall. Stems simple, densely hispidulous. Leaves alternate, lower leaves narrowly elliptic or elliptic-lanceolate, 5-13 × 3-4 cm, base cuneate, margin crenate or irregularly doubly serrate, apex acute or acuminate; petiole 2-6 cm; middle and upper leaves elliptic or ovate, 4-8 × 3-4 cm, base broadly cuneate or rounded, margin obscurely serrate, apex acute; petiole 0.5-1.5 cm, winged. Flowers in a raceme, raceme 10-25 cm; pedicels 2-3 mm, densely hispidulous; bracts leaflike, narrowly elliptic or lanceolate to linear-elliptic, lower ones longer than but upper ones shorter than corolla. Hypanthium subglobose, ca. 5 mm, scaberulose; calyx lobes linear-lanceolate, 6-8 × 1.5-2 mm, ciliate and denticulate. Corolla purple-blue, 13-19 cm. Filament tube villous at top; 2 anterior anthers barbate at top, other 3 glabrous. Capsule globose-cylindric, 9-12 × 6-8 mm. Seeds pale brown, ellipsoid. Fl. Aug-Sep, fr. Sep.
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