Page authors: Don Knoke, David Giblin
Neoholmgrenia andina
blackfoot river suncup, obscure suncup

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

Habitat: Dry hillsides and sagebrush scablands to the ponderosa pine forests of the foothills.

Flowers: May-July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern


Annual, often broader than tall, with several stems, the branches ascending, simple to freely-forked, 3-15 cm. long, covered with fine, appressed hairs.


Leaves alternate, linear to linear-spatulate, 5-25 mm. long and 0.5-2 mm. broad, mostly basal, the lower branches nearly leafless;


Flowers sessile in crowded, short, linear-bracteate spikes; calyx tube 0.5-2 mm. long, the 4 lobes distinct and reflexed; petals lemon yellow, ovate, 1-2 mm. long; stamens 8, the filaments short; style exerted, 1.7-3 mm. long, the stigmas capitate: ovary inferior, 4-celled.


Capsule spindle-shaped, 4-8 mm. long.

Accepted Name:
Neoholmgrenia andina (Nutt.) W.L. Wagner & Hoch
Publication: Novon 19(1): 131. 2009.

Synonyms & Misapplications:
Camissonia andina (Nutt.) P.H. Raven [JPM]
Holmgrenia andina (Nutt.) W.L. Wagner & Hoch
Oenothera andina Nutt. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Neoholmgrenia andina in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Neoholmgrenia andina checklist entry.

OregonFlora: Neoholmgrenia andina information.

E-Flora BC: Neoholmgrenia andina atlas page.

CalPhotos: Neoholmgrenia andina photos.

USDA Plants: Neoholmgrenia andina information.

32 photographs:
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