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Plants forming clumps or mats, rhizomatous, or tufted, taprooted; straggling, creeping shoots usually not well developed. Stems: flowering stems decumbent at base, usually green or straw colored, occasionally purple tinged (in some populations growing on serpentine rocks), 5-20(-30) cm, pubescent and often glandular distally, hairs patent or deflexed; nonflowering winter shoots, when present, elongating, with narrow, oblanceolate leaves; small axillary tufts of leaves always present. Leaves usually not strongly dimorphic; blade lanceolate or oblanceolate to linear, 2-25 × 1-5 mm. Flowers: sepals 3.5-6(-7) mm, midrib visible; petals 7.5-9 mm (-12 mm in western plants), usually remaining ± white when dried; anthers 0.8-0.9 mm. Capsules 7.5-11 × 2.5-4 mm, usually less than 1.5 times as long as sepals, rarely longer. Seeds 0.6-1.1 mm. 2n = 36.
