Page authors: David Giblin, Don Knoke
Eremothera minor
small-flowered evening-primrose, green river suncup
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington, where disjunct; southeastern Oregon to California, east to south-central Montana and Wyoming.

Habitat: Sagebrush desert, often where vernally moist

Flowers: April-June

Origin: Native

Growth Duration: Annual

Conservation Status: Sensitive in Washington (WANHP)

Description:
General:

Pubescent, glandular annual, the main stem branched at the base but simple above, 5-25 cm. tall.

Leaves:

Basal leaves long-petiolate, the blades oblong-lanceolate to oblanceolate, 1-3 cm. long and 4-15 mm. broad, greatly reduced upward to linear, sessile bracts in the upper part of the spikes.

Flowers:

Flowers in loose, bracteate spikes, the branches with flowers nearly to the base; calyx tube 0.5-2 mm. long, the 4 lobes distinct and reflexed, 1-2 mm. long; petals obovate, pale yellow to off-white, aging to pink, 1-2 mm. long; stamens 8, with 4 filaments about equal to the petals, the other 4 much shorter; style slightly longer than the stamens, the stigma globose; ovary inferior, 4-celled.

Fruits:

Capsule linear, 12-25 mm. long, conspicuously contorted, often coiled.

Accepted Name:
Eremothera minor (A. Nelson) W.L. Wagner & Hoch
Publication: Systematic Botany Monographs 83: 210. 2007.

Synonyms & Misapplications:
Camissonia minor (A. Nelson) P.H. Raven [JPM]
Oenothera minor (A. Nelson) Munz [HC]
Oenothera minor (A. Nelson) Munz var. cusickii Munz
Sphaerostigma minor A. Nelson
Additional Resources:

PNW Herbaria: Specimen records of Eremothera minor in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Eremothera minor checklist entry

OregonFlora: Eremothera minor information

E-Flora BC: Eremothera minor atlas page

CalPhotos: Eremothera minor photos

19 photographs:
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