Herbs, terrestrial, 30-50 cm tall. Stems erect or ascending, simple or sparsely branched, glabrous, apically short glandular hairy. Leaves opposite or sometimes 3-5 in a whorl on sprouts near rhizomes, sessile; leaf blade linear, ovate-lanceolate, or lanceolate, 2-4 X 0.3-2 cm, base subamplexicaul, margin entire or rarely obscurely toothed; veins 3-7, parallel. Spikes terminal, lax; bracts glandular puberulent. Flowers sessile or subsessile. Bracteoles 2, linear, ca. 5 mm, glandular puberulent, base adherent to calyx tube. Calyx cylindric, ca. 7 mm, glandular puberulent, without raised veins in fruit. Corolla blue to purple, 1.1-1.5 cm, outside sparsely pubescent, inside villous. Capsule subglobose, ca. 3.5 X 3 mm, veins 2 and bulging. Fl. and fr. Sep-Nov.
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