Page authors: Don Knoke, David Giblin
Cryptantha pterocarya
wingnut cryptantha
WTU specimens
Other herbaria

Distribution: East of the Cascades in Washington; Washington south to California, east to Idaho, Colorado and Texas.

Habitat: Dry, open, often sandy areas of sagebrush and grasslands.

Flowers: April-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Annual, the simple or branched stem 1-4 dm. tall, the herbage moderately stiff-hairy, often with small blisters.

Leaves:

Leaves small, scattered, linear.

Flowers:

Inflorescence of paired, naked spikes; fruiting calyx 4-5 mm. long and broad, closed, pyramidal, the lobes lanceolate, stiff-hairy; corolla white, 0.5-2 mm. wide; style equaling the nutlets.

Fruits:

Nutlets 4, 3 mm. long, lanced-ovate, attached to the style, one wingless, the other 3 with broad, toothed or lobed wing margins, attached to the style.

Accepted Name:
Cryptantha pterocarya (Torr.) Greene
Publication: Pittonia 1(7): 120. 1887.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. pterocarya – wingnut cryptantha
Additional Resources:

PNW Herbaria: Specimen records of Cryptantha pterocarya in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cryptantha pterocarya checklist entry.

E-Flora BC: Cryptantha pterocarya atlas page.

CalPhotos: Cryptantha pterocarya photos.

USDA Plants: Cryptantha pterocarya information.

42 photographs:
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