Distribution: Occurring west of the Cascades crest in the coastal counties in Washington; southwestern British Columbia to the Umpqua River area in Oregon.
Habitat: On or adjacent to tidelands, coastal marshes.
Conservation Status: Not of concern
Herbaceous perennials from a heavy taproot and short, thick rhizomes, the stems 5-15 dm. tall, hollow, glabrous, and purplish-tinged, as also the stipules, petioles and calyces.
Leaves alternate, palmately veined, the lower rotund and cordate, shallowly lobed, the lobes with rounded teeth; the upper leaves deeply 5-parted, the lobes oblong, with irregular, terminal teeth.
Inflorescence of congested, spikelike, compound racemes; calyx 5 lobed, 8-12 mm. long, enlarging in fruit, the lobes with marginal hairs; petals 5, deep pink, clawed, broadly obcordate and shallowly notched; stamens 40-70, freed from the staminal tube in 2-3 series, the stamens united in groups; ovary superior, the carpels 5-10 in a ring around a central axis; styles equal to the number of carpels, elongate, stigmatic full length.
Capsules 4 mm. long, smooth, with a beak 0.8-1.3 mm. long