Herbs perennial. Stems to 60 cm tall, erect, sturdy, unbranched, glabrous, striate, leafy throughout. Leaves sessile, linear-lanceolate, 6.5--7.5 cm X 7--10 mm, glabrous, base auriculate, margin incised-dentate. Inflorescences racemose, ca. 15 cm, interrupted basally; bracts leaflike, exceeding flowers. Pedicel 1--1.5 mm. Calyx 8--10 mm, glabrous; lobes 5, equal. Corolla yellow, 2.4--2.6 cm; tube erect, ca. 2 X as long as calyx; galea curved apically, inconspicuously navicular, 8--10 mm; beak scarcely 2 mm; lower lip ca. as long as galea. 2 filaments pubescent, 2 glabrous. Fl. May--Jun, fr. Jul.
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