Herbs perennial, 15--35 cm tall. Stems hollow, with lines of hairs. Leaves alternate, sessile, lanceolate-oblong to ovate-elliptic. Middle leaves larger than basal and apical leaves, to 4 X 2.2 cm, abaxially sparsely villous along midvein, adaxially brown pubescent along midvein, base broadly cuneate to rounded, apex obtuse to acute. Inflorescences lax racemes, capitate at anthesis, elongating in fruit, ± sessile; bracts leaflike. Calyx ca. 1.1 cm, sparsely villous along midvein; lobes 5, unequal. Corolla purple, 2--2.2 cm; tube barely exceeding calyx, sparsely pubescent; galea ca. 5 mm wide; lower lip ca. 1.3 cm, ciliate. Filaments glabrous; anthers apiculate. Capsule broadly ovoid, compressed, ca. 1.5 X 1 cm, apex acute. Fl. Aug, fr. Sep.
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