Herbs perennial, 15-20 cm tall. Stems simple or little branched, curved pubescent. Petiole short; leaf blade green, lanceolate to linear-lanceolate, 1-2 cm × 2-4 mm, papery, both surfaces sparsely curved pubescent, midvein slightly raised abaxially, impressed adaxially, lateral veins absent, base cuneate, margin entire, apex acuminate, mucronate. Racemes extra-axillary, 3-4 cm, laxly 5-10-flowered; bracts 2, caducous. Pedicel ca. 3 mm. Sepals 5, persistent, ciliate; outer sepals 3, nearly equal, lanceolate; inner sepals 2, oblong, large, ca. 5.5 × 2 mm, 3-veined, veins multibranched, margin membranous, hyaline, apex subrounded, mucronate. Petals 3, connate at base, pink; lateral petals elliptic, 3-3.5 mm, inside white pubescent at base; keel cucullate, longer than lateral petals, 4.5-5 mm, abaxially pubescent, apex with fimbriate appendages. Stamens 8; filaments ca. 5 mm, united into an open staminal sheath, upper 1/5 of sheath 2-lobed; anthers sessile. Ovary obovoid, ca. 1 mm in diam.; style ca. 2.5 mm, apex curved; stigmas 2. Capsule obcordate to suborbicular, ca. 4 mm in diam., margin narrowly winged, ciliate, apex retuse, mucronate. Seeds ovoid, ca. 1.5 mm in diam., white pubescent, with 3-lobed orbicular appendages. Fl. and fr. Jun-Jul.
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