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Dwarf rhizomatous herb, 10-50 cm high. Leaves sparsely hairy, very variable, nearly all radical, (in Mal.) odd-pinnatifid, sometimes bipinnatifid, ovate or broadly ovate in outline, 5-10(-18)cm long; leaflets often 5, sometimes 3 or 7, rarely 3-foliolate; terminal ones largest, ovate, 1-4 by 0.8-3 cm, acute, base rounded or cordate, entire; margin crenate-serrate, or few-toothed in the lateral ones, glabrescent on both surfaces; petiole very slender, 4-10 cm. Flowers 4-7 in a verticil-laster, the whorls 1-1.5 cm apart, in a raceme-like inflorescence borne on a terminal scape; rachis of inflorescence capitate-glandular-hairy. Calyx tubular-campanulate, inside strigose-hairy (hairs 0.8-1.5 mm long), 5-5.5 mm long, in fruit 7-9 mm, sparsely pilose, 2-lipped; upper lip broad deltoid, entire; lower lip sharply 2-toothed. Corolla purple, 8-9 mm long, exserted; tube annulate within; upper lip erect, emarginate; lower lip shorter, 3-lobed. Stamens exposed, lower connective-branches reduced. Style shortly 2-branched, branches nearly equal. Nutlets ellipsoid, 2-2.5 by 1 mm, flattened-subtriquetrous.
