Herbs, erect or ascending, rarely rooting at nodes. Roots (1--)1.5--5 mm thick, fleshy. Stems not flexuous, 5--40 cm; internodes usually glabrous. Leaves spirally arranged, sessile; blade dull green, linear-lanceolate to lanceolate-oblong, 9--27 ´ 1--4 cm (distal leaf blades wider than sheaths when sheaths opened, flattened), base cuneate to rounded, apex acuminate, not glaucous, glabrous or sparsely puberulent. Inflorescences terminal; bracts foliaceous. Flowers distinctly pedicillate; pedicels 2--3.2 cm, minutely pilose; sepals somewhat inflated, 9--16 mm, uniformly eglandular-pilose; petals distinct, deep blue, purple, or rose-red, broadly ovate, not clawed, 1.2--1.5 cm; stamens free; filaments bearded. Capsules 5--7 mm. Seeds 2--3 mm. 2n = 12.
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