Plants perennial. Stems 1 or 2, erect to ascending, villous, unbranched. Petiole of lower stem leaves ca. 2 × as long as blades; leaf blade ovate, to 12 × 9.5 cm, ± membranous, adaxially fine strigose, abaxially pubescent mainly on veins, glandular, base cordate to subhastate, margin mucronulate-crenate, apex obtuse to subacute. Inflorescences densely to sparsely villous, glandular pilose; verticillasters 2(-6)-flowered, in terminal raceme-panicles 6-15 cm; bracts ovate to rhombic-ovate, apex abruptly acuminate, glandular pilose. Pedicel 3-10 mm. Calyx funnelform-campanulate to campanulate, ca. 1 cm in flower, slightly dilated to 1.5 cm in fruit, villous, glandular pilose, intermixed with yellow-brown glands; upper lip triangular-ovate, ca. 3 × 10 mm, apex spiny-acute; teeth of lower lip broadly triangular, apex short spiny. Corolla yellow-white or reddish and purple spotted, ca. 2.8 cm, sparsely pilose especially on upper lip; tube obliquely pilose annulate on basal 3-5 mm inside, ca. 1.8 cm, base tubular, constricted at hairy annulus but gradually dilated, to 1 cm wide at throat; upper lip projected, subobovate, ca. 7 × 6 mm. Filaments ca. 5 mm; connectives ca. 6 mm, arms equal. Style exserted. Nutlets unknown. Fl. Aug.
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