Perennial branching, aromatic herb or under-shrub, 1 m. Stem and branches stout, densely tomentose. Leaves thick-membranaceous, lanceolate to broadly ovate, 3-8(-ll) by 1.5-4(-5)cm, acute or acuminate, base rounded or cordate, margin remotely double-serrate, densely velutinous on both surfaces; petiole 1-3 cm. Spicate raceme terminal and solitary, 5—12(—15) cm long, (1-1.5-) 2-2.2 cm Ø; verticillasters 12-20-flowered, closely approximate. Calyx tubular, 4.5-5 mm long, in fruit 6-6.5 mm and mouth enlarged, sparingly pilose; teeth 5, broadly lanceolate, ciliate. Corolla dark or deep blue, slender, 7-8 mm long, pilose externally. Filaments exserted, hairy below. Nutlets subspherical, 0.6 by 0.5 mm, black, smooth.
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