Herbs perennial, to 15 cm tall. Stem solitary, erect. Leaves linear, 2--3 cm × 1--4 mm, base attenuate, connate into a short sheath, margin minutely denticulate, apex acuminate. Flowers solitary or in cymes; pedicel 1.5--1.8 cm; bracts 4, outer pair oblong, 8--10 × 2--4 mm, apex sharply pointed, inner pair ovate, 1--1.2 cm × 4--6 mm, base cuneate, apex acute. Calyx cylindric, ca. 1.8 cm × 3.5 mm, with numerous fine veins; teeth lanceolate, margin glabrous. Petals pink, rarely white, 3--3.5 cm × 2--3 mm; claw long; limb fimbriate for ca. 1/2 its length, fimbriae linear. Filaments 1.5--2 cm; anthers narrowly suboblong, 1--1.5 mm. Ovary cylindric, 7--8 mm. Styles linear, ca. 1 cm. Capsule cylindric, ca. 1 cm × 3 mm. Seeds minute.
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