Page authors: Don Knoke, David Giblin
Lysimachia arvensis
scarlet pimpernel
WTU specimens
Other herbaria

Distribution: Scattered locations on both sides of the Cascades in Washington; widely distributed throughout North America.

Habitat: Weed of disturbed open areas, waste ground.

Flowers: May-June

Origin: Introduced

Conservation Status: Not of concern


Low annual with several glabrous, prostrate or ascending stems 1-4 dm. long.


Leaves opposite, ovate, entire, 5-15 mm. long, sessile and somewhat clasping.


Flowers usually in pairs, axillary on filiform, curved pedicels 1-4 cm. long; sepals 5, linear-lanceolate, acuminate, 2-4 mm. long, nearly distinct; corolla rotate, salmon-colored, 5-8 mm. broad, the 5 lobes broadly obovate with fine hairs on the margins; stamens 5, equal to and opposite the corolla lobes, inserted on the tube.


Capsule spherical, 3-5 mm. broad.

Accepted Name:
Lysimachia arvensis (L.) U. Manns & Anderb.

Synonyms & Misapplications:
Anagallis arvensis L. [FNA8, HC]
Anagallis arvensis L. ssp. arvensis
Anagallis arvensis L. var. caerulea (L.) Gouan
Anagallis caerulea L.
Additional Resources:

PNW Herbaria: Specimen records of Lysimachia arvensis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lysimachia arvensis checklist entry.

E-Flora BC: Lysimachia arvensis atlas page.

CalPhotos: Lysimachia arvensis photos.

USDA Plants: Lysimachia arvensis information.

24 photographs:
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