Page author: David Giblin
Idahoa scapigera
flatpod, scalepod
WTU specimens
Other herbaria

Distribution: East of the Cascades in Washington; Washington sout to California, east to Idaho.

Habitat: Shrub-steppe, especially with sagebrush.

Flowers: March-April

Origin: Native

Conservation Status: Not of concern

Description:
General:

Small, glabrous, acaulescent annual, the several, leafless scapes 3-13 cm. tall.

Leaves:

Leaves numerous in a basal rosette, with slender petioles 1-3 times as long as the blades; blades ovate, entire to lyrate, 5-15 mm. long.

Flowers:

Flowers solitary on the scapes; sepals 4, spreading, usually reddish or purplish; petals 4, white, equaling the sepals; stamens 5; style almost lacking.

Fruits:

Silicles orbicular to oblong-oval, 6-12 mm. long, strongly compressed.

Accepted Name:
Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr.
Publication: Bot. Gaz. 56: 474. 1913. 1913.

Synonyms & Misapplications:
Platyspermum scapigerum Hook.
Additional Resources:

PNW Herbaria: Specimen records of Idahoa scapigera in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Idahoa scapigera checklist entry.

E-Flora BC: Idahoa scapigera atlas page.

CalPhotos: Idahoa scapigera photos.

USDA Plants: Idahoa scapigera information.

20 photographs:
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