Stems erect, 70-80 cm, sparsely pubescent, also glandular above middle. Leaves pinnately compound, 3-17 cm, gradually reduced upward, uppermost leaves ± sessile; petiole 0.5-8 cm; leaflets 7-21, narrowly lanceolate to lanceolate, 1.2-3.5 cm X 2-5 mm, glabrous, young leaves sparsely glandular-puberulent. Pedicel 3-8 mm, densely glandular-pubescent, with some nonglandular trichomes. Calyx 5-7 mm; lobes lanceolate, ca. as long as or longer than tube, apex acuminate. Corolla violet, rotate, 1.3-1.5 cm; lobes narrowly elliptic, margin sparsely ciliate, apex acute. Stamens 2/3-3/4 as long as corolla. Style longer than stamens, exserted or slightly so. Fruit unknown. Fl. Jun-Jul.