Page author: David Giblin
Stellaria humifusa
saltmarsh starwort

Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to Oregon, east across Canada to the Atlantic coast; circumboreal.

Habitat: Salt marshes.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Review Group 1 in Washington (WANHP)


Glabrous, spreading perennial, the stems freely rooting, up to 2.5 dm. long.


Leaves opposite, all cauline, sessile, somewhat fleshy, lanceolate and pointed to linear and blunt, 8-15 mm. long.


Flowers axillary on stout pedicels 5-15 mm. long; sepals 5, lanceolate, 3.5-5 mm. long; petals 5, white, slightly longer than the sepals.


Capsule ovoid, equal to the sepals.

Accepted Name:
Stellaria humifusa Rottb.
Publication: Skr. KiĆøbenhavnske Selsk. Laerd. Elsk. 10: 447, plate 4, fig. 14. 1770.

Synonyms & Misapplications:
Alsine humifusa (Rottb.) Britton
Stellaria humifusa Rottb. var. marginata Fenzl
Stellaria humifusa Rottb. var. oblongifolia Fenzl
Stellaria humifusa Rottb. var. suberecta B. Boivin
Additional Resources:

PNW Herbaria: Specimen records of Stellaria humifusa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Stellaria humifusa checklist entry.

OregonFlora: Stellaria humifusa information.

E-Flora BC: Stellaria humifusa atlas page.

CalPhotos: Stellaria humifusa photos.

USDA Plants: Stellaria humifusa information.

3 photographs:
Group by