Distribution: Occurring west of the Cascades crest along the coast in Washington; British Columbia to San Diego County, California.
Habitat: Coastal beaches and sand dunes, often extending down to the high tide level.
Flowers: April-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies
Glabrous, fleshy, perennial herbs from deep rhizomes, the stems creeping but not twining, usually several dm. long.
Leaves alternate, with petioles 1-3 times as long as the blades; blades 1.5-4 cm. long, reniform, rounded or with a broad, shallow notch, with basal lobes.
Flowers single in the leaf axils on long peduncles, subtended by a pair of broadly cordate bracts which enclose the calyx; calyx divided nearly to the base into 5 oblong-ovate lobes about 1 cm. long; corolla broadly funnel-shaped, 3-5 cm. long, pinkish-purple; stamens 5, attached near the base of the corolla alternate with the lobes; style slender, exceeding the stamens, the stigmas greatly flattened; ovary 2-celled, superior.
Capsule sub-globose, about 1.5 cm. long.
PNW Herbaria: Specimen records of Calystegia soldanella in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calystegia soldanella checklist entry
OregonFlora: Calystegia soldanella information
E-Flora BC: Calystegia soldanella atlas page
CalPhotos: Calystegia soldanella photos