Stems erect, ca. 0.5 m tall, few branched, pubescent, glandular. Leaves sessile; leaf blade ovate, 2.5-4 × 1.4-3 cm, ± leathery or herbaceous, corrugate, pubescent, glandular, margin irregularly incised-toothed, apex rounded to obtuse. Cymes as long as to slightly shorter than leaves; peduncle 1-1.5 cm; bracts linear to needlelike-linear ca. 1.5 cm × 1.5 mm. Calyx tubular-campanulate, 1.2-1.5 cm, 15-veined, 2-lipped, conspicuously veined; teeth mucronate-acute. Corolla purplish, 1.5-1.7 cm, sparsely pubescent, twisted through an angle of 90°. Anterior stamens exserted. Fl. Sep.
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