Herbs rhizomatous. Stem branched distally, 50--120 cm. Petiole 3--4 mm; leaf blade lanceolate to ovate, 10--17 × 1--5 cm, base broadly cuneate to rounded, margin slightly scabrous, apex acuminate. Inflorescences terminal and pseudolateral, 2--5-flowered; peduncle occasionally distinct; pedicels 2--4 cm, subsmooth. Flowers tubular-campanulate. Tepals cream or greenish tinged with purple near both ends, oblanceolate, 1.8--2.2 cm × 4--6 mm, somewhat pubescent abaxially, densely papillose apically, base gibbous-spurred; spurs ca. 2 mm. Stamens 1--2 cm, included; filaments 0.8--1.2 cm; anthers 3--4 mm. Ovary ca. 3 mm. Style 0.8--1.4 cm. Fl. Mar--May. 2 n = 16*.
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