Subshrubs erect, 0.7-1.7 m tall. Stems much branched apically, purple-red, gray puberulent. Petiole 4-6 mm, purplish, puberulent; leaf blade lanceolate to elliptic-lanceolate, 8-12 × 2.5-4 cm, adaxially glabrous, puberulent along margin and midrib, abaxially whitish, densely glandular, base attenuate, margin serrate-crenate, apex acuminate. Spikes secund, gray puberulent, 3-12 cm; verticillasters 5-10-flowered; bracts lanceolate to linear-lanceolate, 2-3 mm, purplish. Pedicel 0.5 mm. Calyx tubular-campanulate, ca. 2 × 1 mm, densely gray tomentose outside, glabrous except for gray tomentose teeth inside; teeth ovate-lanceolate, ca. 0.5 mm, subequal; fruiting calyx to 4 × 1.5 mm. Corolla rose-purple, ca. 9 mm, white villous outside, sparsely glandular, interrupted bearded annulate inside; tube ca. 6 mm, funnelform, to 2.5 mm wide at throat; upper lip ca. 2 mm, apex emarginate; middle lobe of lower lip subcircular, ca. 3 mm; lateral lobes subovate, rounded, slightly shorter than middle lobe. Anterior stamens much exserted. Nutlets ellipsoid, smooth. Fl. and fr. Jul-Oct.
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A small shrub. It can grow to 1.7 m tall. The stems branch at the top. They are purple red with grey hairs. The leaves are narrowly oval and 8-12 cm long by 3-4 cm wide. They are whitish underneath. The flowers are arranged on one side of the spike.
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