Herbs perennial. Stems erect, ca. 35 cm, densely retrorse pubescent, internodes 2-2.5 cm; branches 4-8 cm, upper branches bearing flowers. Leaves pinnatisect, subsessile, triangular-ovate to broadly ovate, 1.5-2.5 × 1.6-2.4 cm, base very short vaginate, adaxially glabrous, abaxially glabrate; segments in 2-4 pairs, obliquely spreading or subpatent, linear, 0.8-1.5 cm × 1-1.8 mm. Verticillasters on 4-9 upper nodes of stems and branches; bracts similar to cauline leaves but smaller, 7-10 mm, apex subulate-acuminate, with a pair of lobes. Calyx purple, ca. 1.5 cm, pubescent, ciliolate, 2-lipped to 1/3 its length; teeth subequal, triangular-lanceolate, apex subulate-acuminate, upper lip teeth divisions to 4/5 its length, lower lip teeth divided to base. Corolla blue-purple, 2.8-3.5 cm, pubescent outside. Fl. Sep.
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