Page author: David Giblin
Sagina decumbens
western pearlwort
WTU images
WTU specimens
Other herbaria

Distribution: Chiefly west of the Cascades in Washington; British Columbia south to southern California.

Habitat: Moist soil at low elevations, but not typically coastal.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Mostly glabrous annual, the 1-several freely branched stems ascending, 5-20 cm. long.


Leaves narrowly linear, opposite, remote, 3-10 mm. long; basal leaves few, withered by flowering time.


Flowers several per stem, the pedicels filiform, 10-20 mm. long; sepals 5, distinct, about 2 mm. long, rounded; petals 5, white, equal to the sepals; stamens and styles 5.


Capsule about 1.5 times as long as the sepals, opening by 5 valves.

Accepted Name:
Sagina decumbens (Elliott) Torr. & A. Gray
Publication: Fl. N. Amer. 1: 177. 1838.

Synonyms & Misapplications:
(none provided)
ssp. occidentalis – western pearlwort
Additional Resources:

PNW Herbaria: Specimen records of Sagina decumbens in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sagina decumbens checklist entry.

E-Flora BC: Sagina decumbens atlas page.

CalPhotos: Sagina decumbens photos.

USDA Plants: Sagina decumbens information.

25 photographs:
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