Twiggy shrub 0.5-1.2 m tall; young stems tomentulose, glabrescent; bark on old stems often splitting off in thin strips. Leaves shortly petiolate, often fasciculate on short shoots; blade coriaceous, lanceolate to oblanceolate, 8-18 x 2.5-6 mm, canescent, lower surface reticulate, gland-dotted, apex acute, base cuneate, margin entire; petiole 1-2 mm long. Inflorescence simple, 40-90 mm long; verticils 2-4-flowered, 10-15 mm apart; rhachis glandular-puberulous; bracts ovate to lanceolate, 2-4 mm long. Calyx 7-9 mm long at fruiting stage. Corolla purple, gland-dotted; tube 7-8 mm long, straight; upper lip erect, 5-6 mm long; lower lip concave, 6 mm long. Stamens exserted from the throat by 2 mm; upper 2 filaments attached 1.5 mm from the throat, glabrous. Stigma minutely bilobed.
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