Page author: David Giblin
Atriplex patula
halberdleaf orache, spear oracle

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic.

Habitat: Coastal and inland, saline or alkaline soil.

Flowers: June-September

Origin: Introduced from Eurasia

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind


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Accepted Name:
Atriplex patula L.
Publication: Sp. Pl. 2: 1053. 1753.

Synonyms & Misapplications:
Atriplex hastata L. ssp. patula (L.) S. Pons
Atriplex hastata L. var. patula (L.) Farw.
Atriplex patula L. var. patula [HC]
Additional Resources:

PNW Herbaria: Specimen records of Atriplex patula in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Atriplex patula checklist entry.

OregonFlora: Atriplex patula information.

E-Flora BC: Atriplex patula atlas page.

CalPhotos: Atriplex patula photos.

USDA Plants: Atriplex patula information.

10 photographs:
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