Herbs, perennial, ascending, 20-50 cm tall; stems usually unbranched. Petiole 1.5-4 cm, yellow pilosulous or-villosulous; leaf blade drying papery, adaxially brown, abaxially straw-yellow, ovate-elliptic, obovate, or oblanceolate, 7-10 × 3-6 cm, adaxially glabrous, abaxially densely yellowish brown tomentose, base cuneate to acute and usually slightly inequilateral, apex acute or acuminate; secondary veins 11-23 pairs; stipules persistent, ovate-lanceolate, 9-13 × 4-6 mm, obtuse. Inflorescence cymose to paniculiform, glabrous, purplish red; peduncles 5-9 cm; branched portion 5-8 cm, dichasial; bracts linear-lanceolate, 8-15 × 1.5-2 mm; bracteoles linear, 3-5 mm; pedicels 3-4 mm. Calyx glabrous; hypanthium portion ovoid to ellipsoid, ca. 2.5 mm; limb lobed to base; lobes linear, 3-4 mm. Corolla purplish red, becoming brownish yellow when dry, tubular or tubular-funnelform, outside glabrous; tube 8-13 mm, inside pubescent near middle or bearded in throat; lobes ovate-oblong, ca. 2 mm. Capsules ellipsoid, ca. 3 × 1.5 mm. Fl. May.
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