Page authors: Don Knoke, David Giblin
Cryptantha pterocarya
wingnut cryptantha

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

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

Flowers: April-June

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, flies, wasps


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


Leaves small, scattered, linear.


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.


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)
Additional Resources:

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

WA Flora Checklist: Cryptantha pterocarya checklist entry

OregonFlora: Cryptantha pterocarya information

E-Flora BC: Cryptantha pterocarya atlas page

CalPhotos: Cryptantha pterocarya photos

44 photographs:
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