Herbs, erect, ca. 40 cm tall, presumably perennial; stems grayish brown when dry, glabrous or subglabrous. Petiole 1-2 mm; leaf blade drying papery, adaxially grayish brown, abaxially grayish yellow, narrowly elliptic-oblong or elliptic-oblong, 4.5-9 × 1.3-3 cm, glabrous on both surfaces, base cuneate, apex obtuse to acute; secondary veins 6-9 pairs; stipules triangular, rapidly narrowed to subulate, long acuminate apex. Inflorescence cymose, ca. 1 cm, with more than 10 flowers; peduncle very short. Flowers distylous. Calyx glabrescent; hypanthium portion obconic, 1.2-1.5 mm; lobes narrowly lanceolate, 1.7-2 mm, with gland at each side of base inside. Corolla dark red, slenderly tubular-salverform, outside glabrous or puberulent; tube 15-18 mm, inside with pilose ring above stamens; lobes broadly ovate to suborbicular, 4.5-6 mm. Capsules subglobose, 4.5-5.5 mm in diam., valves 4. Fl. Aug.
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