Page authors: Don Knoke, David Giblin
Moenchia erecta
upright chickweed
WTU specimens
Other herbaria

Distribution: Occurring west of the Cascades in Washington; British Columbia south to California; in scattered locations in other parts of the central and southern U.S.

Habitat: Open, disturbed areas at low elevations.

Flowers: April-May

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Taprooted annual, the stems ascending to erect, usually simple.

Leaves:

Leaves opposite, the cauline sessile, the basal sometimes petiolate; blade 1-veined, linear to linear-lanceolate, acute, not succulent.

Flowers:

Inflorescences terminal, of 1-3 flowers, or flowers single in the leaf axils, subtended by a pair of leaf-like bracts; pedicles erect; sepals 4, distinct, green, lanceolate, 4-7 mm. long, the margins white; petals 4, white, not clawed or notched; stamens 4, inserted at base of superior ovary; styles 4, filiform, about 1 mm. long.

Fruits:

Capsules cylindric, opening by 8 teeth, about as long as the sepals.

Accepted Name:
Moenchia erecta (L.) P. Gaertn., B. Mey. & Scherbius
Publication: Oekon. Fl. Wetterau. 1: 219. 1799. 1799.

Synonyms & Misapplications:
Sagina erecta L.
Infraspecies:
ssp. erecta – upright chickweed
Additional Resources:

PNW Herbaria: Specimen records of Moenchia erecta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Moenchia erecta checklist entry.

E-Flora BC: Moenchia erecta atlas page.

CalPhotos: Moenchia erecta photos.

USDA Plants: Moenchia erecta information.

12 photographs:
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