Page author: David Giblin
Montia chamissoi
Chamisso's montia, water montia

Distribution: Occurring east of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains; scattered locations east of the Mississippi in the U.S.

Habitat: Wet areas, often in water, from the lowlands to mid-elevations in the mountains.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Succulent, spreading perennial from slender rhizomes, with freely rooting stolons from which bulblet-like offsets are often produced; flowering stems erect, simple or branched above, 5-20 cm. tall.


Cauline leaves opposite, usually several pairs, 2-5 cm. long and 5-17 mm. broad, oblanceolate to rhombic-obovate, narrowed to a short petiole; leaves of the stolons greatly reduced.


Flowers 3-10 in terminal and axillary racemes, often replaced by bulbils; pedicels stout, recurved, up to 3 cm. long; sepals 2, 2-3 mm, long; petals 5, white or pinkish, 5-8 mm. long; stamens usually 5; style 1, stigmas 3, linear.


Capsule obovoid, about equal to the sepals.

Accepted Name:
Montia chamissoi (Ledeb. ex Spreng.) Greene
Publication: Fl. Francisc. 180. 1891 (as chamissonis). 1891.

Synonyms & Misapplications:
Claytonia chamissoi Ledeb. ex Spreng.
Crunocallis chamissoi (Ledeb. ex Spreng.) Rydb.
Additional Resources:

PNW Herbaria: Specimen records of Montia chamissoi in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Montia chamissoi checklist entry.

E-Flora BC: Montia chamissoi atlas page.

CalPhotos: Montia chamissoi photos.

USDA Plants: Montia chamissoi information.

23 photographs:
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