Page authors: Don Knoke, David Giblin
Calystegia soldanella
seashore false bindweed, beach morning-glory

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.

Accepted Name:
Calystegia soldanella (L.) R. Br.
Publication: Prodr. Fl. Nov. Holland. 484. 1810.

Synonyms & Misapplications:
Calystegia soldanella (L.) Roem. & Schult., invalid name [KZ99]
Convolvulus soldanella L. [HC]
Additional Resources:

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

27 photographs:
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