Herbs perennial, sparsely pubescent, not drying black. Rootstock filiform, to 10 cm. Stems often 2--4, widely spaced, black, glabrous, with 5 or 6 leaves. Leaves alternate; petiole to 3 cm, subglabrous; leaf blade linear-oblong, more than 4 X 1.5 cm, abaxially glabrous, adaxially sparsely pubescent, pinnatisect; segments ca. 4 or 5 pairs, oblique ovate, incised-dentate. Inflorescences 1--3-flowered. Pedicel to 1.5 cm, glabrous. Calyx cylindric; tube ca. 7 mm, cleft anteriorly to middle of tube, sparsely villous; lobes 5, unequal. Corolla tube 4.5--6.5 cm, pubescent; galea ± bent at a right angle apically, with 1 marginal tooth on each side near apex; beak straight, ca. 4 mm; lower lip ca. 2 X 2 cm, longer than galea. Filaments glabrous. Fl. Jul, fr. Aug.
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