欧活血丹 ou huo xue dan

Nepeta glechoma Bentham.

Stems 10-17 cm, ascending, base purplish, subglabrous, nodes retrorse strigose. Petiole of basal leaves 3.5-4 cm, 0.8-1.8 cm in upper leaves, with sparse, retrorse, minutely hooked hairs; upper blade larger than basal one, reniform to reniform-orbicular, 0.8-1.3 × ca. 2 cm, glabrous except sometimes sparsely retrorse strigose on abaxial veins, margin ± coarsely crenate, apex rounded. Cymes 2-4-flowered, in verticillasters; bracts and bracteoles subulate, ca. 1 mm. Calyx tubular, slightly curved at apex, 5-7 mm, hirtellous; teeth ovate, ca. 1 mm, apex acute, ciliate. Corolla purple, ca. 1 cm, hirtellous; tube ca. 7.5 mm, straight, funnelform; upper lip straight, ca. 3 mm, 2-lobed, lobes oblong; lower lip obliquely spreading, ca. 4 mm, middle lobe flabellate, apex emarginate; lateral lobes ovate. Nutlets unknown. Fl. May.

Valley grasslands. Xinjiang (Gongliu Xian) [Russia; Europe]

Used medicinally for pneumonia and nephritis.