Page authors: Don Knoke, David Giblin
Epilobium minutum
California willow-herb, chaparral willow-herb, small-flowered willow-herb
Specimens
Photos

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Utah, and Arizona.

Habitat: Dry or gravelly soil, sea level to mid-elevations in the mountains.

Flowers: April-August

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, flies

Description:
General:

Finely appressed-puberulent annual, the stems freely-branched, 0.3-4.5 dm. tall.

Leaves:

Leaves mostly opposite, short-petiolate, the blades oblong-lanceolate, 1-2.5 cm. long.

Flowers:

Flowers on short pedicels in the axils of alternate leaves; calyx tube cup-shaped, 1 mm. long, 4-lobed; petals 4, white to rose, bi-lobed; stamens 8; stigma entire; ovary inferior, 4-celled.

Fruits:

Capsule 1.5-2.5 cm. long, linear, slightly curved; seeds with a tuft of pale yellow hairs at the tip.

Accepted Name:
Epilobium minutum Lindl.
Publication: Fl. Bor.-Amer. 1: 207. 1833.

Synonyms & Misapplications:
Epilobium foliosum (Torr. & A. Gray) Suksd. [JPM2]
Epilobium minutum Lindl. var. foliosum Torr. & A. Gray
Additional Resources:

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

WA Flora Checklist: Epilobium minutum checklist entry.

OregonFlora: Epilobium minutum information.

E-Flora BC: Epilobium minutum atlas page.

CalPhotos: Epilobium minutum photos.

USDA Plants: Epilobium minutum information.

33 photographs:
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