Taproots gradually ramified distally. Stems spreading or suberect, 8-20 cm. Leaves: basal leaves evergreen, sessile, blade linear, ± terete, 1.5-6 cm, margins entire, apex obtuse; cauline leaves alternate, intergrading with bracts, blade narrowly lanceolate, 5 mm, margins entire, apex acute. Inflorescences paniculate cymes, 50-70(-100)-flowered; bracts several, alternate proximally, 2 at each flowering node distally, ovate to narrowly lanceolate, 2-5 mm, margins glandular-toothed, apex acute. Flowers pedicellate, not disarticulate in fruit; sepals 2, suborbiculate, 1-4 mm, herbaceous at anthesis, margins glandular-toothed, apex truncate; petals 5-8, magenta, lavender, or white with or without magenta veins, obovate, 5-7 mm; stamens 4-8; stigmas 2; pedicel 3-15 mm. Capsules 4-5 mm. Seeds 1-2, 2-2.5 mm, shiny, smooth. 2n = 14.
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