Herbs perennial, to 1 m tall. Roots stout. Stems erect, branched basally or unbranched, becoming woody when old, initially tomentose, glabrescent. Basal leaves in a rosette; stem leaves many; petiole 1--10 cm; leaf blade lanceolate, to 10 X 3--4 cm, pinnatipartite to pinnatisect; segments linear, serrulate. Inflorescences dense, spicate, 6--22 cm; rachis densely pubescent; bracts shorter than flowers, glabrous or ciliate, ± entire. Calyx 1--1.3 cm, sparsely pubescent; lobes 5, unequal, ovate-triangular, ± entire. Corolla yellow with reddish purple stripes, 2.5--3.3 cm; galea falcate, with a distinct tooth on one side of margin; lower lip slightly shorter than galea. 2 filaments pubescent, 2 glabrous. Capsule ovoid, 0.9--1.6 cm X 3--6 mm, apex mucronulate. Fl. Jun--Jul, fr. Jul--Aug.
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