Herbs to 1 m tall, perennial. Stems pilose. Leaf blade narrowly ovate to ovate-lanceolate, 6-12 × 3-5 cm, abaxially pilose along veins, adaxially glabrous or pilose along veins, secondary veins 6-9 on each side of midvein, base attenuate, margin undulate-crenulate, apex acuminate. Racemes terminal or axillary, 5-9 cm; bracts triangular, 2-3 × ca. 1 mm, pilose with gland-tipped trichomes; bracteoles similar to bracts. Pedicel 1-2 mm. Calyx 5-6 mm, outside pilose with gland-tipped trichomes; lobes lanceolate. Corolla red to purplish red, ca. 2.2 cm, outside pilose with gland-tipped trichomes, inside barbate in throat; lobes ovate, 4-5 × ca. 3.5 mm, unequal. Ovary and style pilose; stigma slightly 2-cleft. Capsule 1.8-2.2 cm. Seeds irregularly obovate in outline, 2-4 × ca. 2.5 mm, tuberculate-rugose. Fl. Aug-Oct, fr. Nov-Feb.