Plants perennial. Rhizomes form-ing extensive network. Stems ascending to erect, simple or branched, ± angled or grooved, 2-18 cm, hairs minute, spreading, peglike. Leaves sessile or subses-sile; petiole 0.1-1 mm; blade 1-3-veined, lanceolate to elliptic, (8-)15-50(-70) × 2-9 mm, margins smooth to minutely granular, often ciliate in proximal 1/ 2, apex acute. Inflorescences 1-5-flowered; bracts 1-4 mm, margins broadly scarious. Pedicels ascending to erect, sometimes divergent in fruit, 2-15 mm. Flowers: sepals 5, midrib ± keeled, ovate, herbaceous portion lanceolate, (2.8-)3-6 mm, apex acute to acuminate; petals 5, 2-6 mm, 3/ 1/ 2 times as long as sepals. Capsules ovoid, 5 mm, ± equaling sepals. Seeds ovoid, 1.5-2.2 mm, tuberculate; tubercles minute, low, rounded. 2n = 48.
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