Plants perennial, glabrous or mostly so. Stems spreading, decum-bent, or procumbent, glabrous, nodes frequently purple tinged. Leaves: basal leaves in rosette of broadly linear, fleshy leaves, or absent with primary or secondary tufts of ascending, linear basal leaves, these usually less fleshy than rosette leaves (rosettes rarely present in plants occurring north of Washington); cauline leaf blades: proximal 6-15 mm, distal 3-5 mm, glabrous. Pedicels slender to stout, glabrous. Flowers: calyx glabrous; sepals ovate to nearly orbiculate, (2-)2.5-3(-3.5) mm; petals elliptic to orbiculate, (1.5-)2-2.5(-3) mm, slightly shorter than sepals. Capsules (3-)3.5-4(-4.5) mm. Seeds smooth to slightly pebbled. 2n = 46, 66.
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