Page authors: David Giblin, Don Knoke
Epilobium campestre
smooth willowherb
WTU specimens
Other herbaria

Distribution: Central and eastern portion of Washington; British Columbia east to Saskatchewan, south to Arizona and California.

Habitat: Mud flats, vernal pools.

Flowers: June-July

Origin: Native

Conservation Status: Review Group 1 in Washington (WANHP)

Description:
General:

Subglabrous, pale-greenish annual, the stem simple or branched from the base and spreading, 1-3 dm. tall.

Leaves:

Leaves alternate, numerous, lanceolate, 5-18 mm. long and 3-6 mm. wide, denticulate, sessile.

Flowers:

Flowers crowded in terminal spikes, with floral bracts similar to the leaves; calyx 4-lobed; petals 4, pale pink to reddish-purple, 2-4 mm. long, deeply bilobed; ovary inferior, 4-celled; stamens 8, of two lengths.

Fruits:

Capsule slightly curved, pointed but not beaked, about 7 mm. long and 1-1.5 mm. thick; seeds brownish.

Accepted Name:
Epilobium campestre (Jeps.) Hoch & W.L. Wagner
Publication: Systematic Botany Monographs 83: 208. 2007.

Synonyms & Misapplications:
Boisduvalia glabella (Nutt.) Walp. [HC]
Epilobium pygmaeum (Speg.) Hoch & P.H. Raven [JPM]
Additional Resources:

PNW Herbaria: Specimen records of Epilobium campestre in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Epilobium campestre checklist entry.

E-Flora BC: Epilobium campestre atlas page.

CalPhotos: Epilobium campestre photos.

USDA Plants: Epilobium campestre information.

14 photographs:
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