Herbs. Rhizomes with woody, moniliform tubers ca. 6 mm in diam. Stems ca. 20 cm, solitary, base glabrous, apex very densely dusty puberulent. Petiole short to obsolete; leaf blade elliptic-lanceolate to elliptic, rarely ovate, 3-5.5 × 1.2-2 cm, adaxially sparsely appressed puberulent, abaxially subglabrous, yellow glandular, dusty puberulent on veins, base cuneate-decurrent, margin shallowly serrate, apex long acuminate to acute. Raceme terminal, slender, ca. 11 cm, lax, dusty puberulent; verticillasters 2-flowered; peduncle ca. 2 mm; bracts lanceolate, ca. 1 mm. Pedicel ca. 6 mm. Calyx campanulate, ca. 3.2 mm, dusty puberulent, 10-veined, nearly 2-lipped; upper teeth triangular, ca. 1.4 mm, apex acute; lower teeth lanceolate, ca. 1.6 mm, apex subulate. Corolla purple, narrowly funnelform; tube slender, ± straight, ca. 2.1 cm, puberulent; upper lip ca. 2.5 mm, triangular, apex obtuse; lower lip ca. 5 mm, middle lobe ovate, wider, reflexed; lateral lobes narrowly elliptic, straight. Stamens nearly included, anterior ca. 6 mm, posterior ca. 4 mm. Fl. Jul-Aug.
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