Herbs, erect or ascending, rarely rooting at nodes. Roots not brownish-tomentose. Stems sparsely branched, 5--45 cm, glabrous, or puberulent distally. Leaves stiff; blade bright green, linear-lanceolate, 15--29 ´ 0.9--2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), apex long acuminate, glabrous. Inflorescences terminal, solitary, sometimes also lateral and pedunculate from distal nodes; bracts foliaceous, glabrous, or rarely sheath puberulent. Flowers distinctly pedicillate; pedicels 1.8--3.3 cm, pubescent with mixture of glandular, eglandular hairs; sepals, 10--13 mm, densely pubescent with mixture of glandular, eglandular hairs, glandular hairs numerous, conspicuous, longer hairs 1.5--6 mm; petals distinct, usually bright rose, less commonly blue, ovate, not clawed, 18--19 mm; stamens free; filaments bearded. Capsules 5--6 mm. Seeds 2--3 mm; hilum as long as seed. 2n = 12, 24.
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