Stems 10-15(-30) cm, densely retrorse pubescent. Petiole 2.5-6 cm, reduced in upper leaves; leaf blade broadly to narrowly ovate, 1.3-4 × 0.8-2.3 cm, adaxially slightly pubescent or subglabrous, base cordate, margin shallowly crenate or serrate, ciliolate, teeth of upper cauline blades spinescent, apex obtuse to rounded. Verticillasters 4-8-flowered, in apical, abbreviated internodes; bracts obovate-spatulate to oblanceolate, to 8 mm, margin 3-8-spinescent-serrulate per side, with spines 2-4 mm, sparsely minute hairy, ciliolate. Calyx greenish, 1.5-1.7 cm, sparsely pubescent, densely so basally, margin ciliolate, 2-lipped to nearly 1/2 its length; upper lip teeth divisions to 2/3 its length, teeth lanceolate, apex spinescent. Corolla white, (1.8-)2.2-3.4 (-3.7) cm, densely white or yellowish pubescent. Fl. Jun-Aug.
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A herb. It keeps growing from year to year and has an aroma. It has slender woody rhizomes or underground stems. The stems can lie along the ground or be erect. The leaves are oblong and 25 mm long by 15 mm wide. The flowers are in a dense group 4-6 cm long. The fruit are narrow nutlets 3.5 mm long by 1.5 mm wide.
It is a temperate plant. In Pakistan it grows in the high mountains to the limit of vegetation. In north China it grows in dry rocky places between 1,100-5,000 m above sea level. In Sichuan.
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Open slopes in dry areas. Stony slopes of mountain streams, pebbles, clayey, stony and sometimes sandy mountain slopes.
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