Herbs to 40 cm tall; stems terete, puberulous along 2 lines. Leaves ovate lanceolate, to 8 cm long, 3 cm wide, apically acuminate, basally attenuate, gla-brous to sparingly strigose above, puberulous beneath mostly at the costa and the veins, the cystoliths dense, moderately prominent on both the surfaces, the margins undulate; petioles short, 1-3 mm long, puberulous. Inflorescences in terminal spicate panicles and in axillary spikes, the spikes lax to 9 cm long, the rachises glandular puberulous; bracts and bracteoles subulate, to ca. 3 mm long, 0.5 mm wide basally, glandular puberulous; pedicels mostly borne singly or in clusters of 2, alternate on the rachis. Flowers with the calyx 5-merous, segments narrowly subulate, to 5 mm long, 0.5 mm wide, glandular puberulous; corolla purplish, sparingly and minutely puberulous, the tube ca. 15 mm long, 1 mm in diameter, lobes of the limb elliptic, ca. 7 mm long, 3.5 mm wide, apically obtuse; stamens included, the staminodes slightly longer than the filaments. Cap-sules ca. 15 mm long, 2.5 mm wide, 2 mm thick, glabrous; seeds 4, oblique, flat-tened, 3 mm long, 2 mm wide, roughened.
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