Plants short-lived perennial or winter annual. Taproots filiform. Stems erect or ascending, arising from mats of slender, prostrate or ascending, wintering stems, green, 10-40 cm, occasionally stipitate-glandular at nodes, internodes of all stems 1-3 times as long as leaves. Leaves sometimes overlapping proximally, connate proximally, with ± loose, herbaceous sheath 0.2-0.4 mm; blade widely spreading to erect, green, 1-veined abaxially, flat, narrowly elliptic (proximal petiolate blades) to linear (remaining cauline blades), 8-30 × 0.5-3 mm, flexuous, margins not thickened, scarious, occasionally stipitate-glandular, apex green, acute to acuminate, shiny, glabrous; axillary leaves absent. Inflorescences 3-5(-7)-flowered, open, leafy cymes; bracts linear to lanceolate, herbaceous. Pedicels 1-5 cm, sparsely glandular. Flowers: hypanthium disc-shaped; sepals 3-veined, lanceolate (herbaceous portion linear-lanceolate to lanceolate), 3.5-5 mm, not enlarging in fruit, apex often purple, acute, not hooded, stipitate-glandular; petals oblong-spatulate, 2.5-3 times as long as sepals, apex rounded, shallowly notched. Capsules on stipe ca. 0.2 mm, ovoid, 4 mm, shorter than sepals. Seeds black, suborbiculate to reniform, radicle obscure, laterally compressed, 0.6-0.8 mm, muriculate-papillate.
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