Marsh claytonia

Plants perennial, rhizomatous, stoloniferous; periderm absent. Stems 10-60 cm. Leaves: basal leaves petiolate, 8-30 cm, blade oblanceolate, 6-12 × 0.1-1 cm; cauline leaves distinctly petiolate, unequal, blade linear to spatulate, 3-15 cm. Inflorescences multi-bracteate; bracts 3-10 mm. Flowers 8-14 mm diam.; sepals 4-6 mm; petals candy-striped, white, or pink, 6-10 mm; ovules 6. Seeds (1-)3, 2-3 mm diam., shiny and smooth; elaiosome 1-2 mm. 2n = 12.

Flowering May-Aug. Meadows, springs, seeps, moist stream banks; 500-2000 m; Calif.