Page author: Don Knoke
Papaver dubium
WTU specimens
Other herbaria

Distribution: Introduced in much of eastern United States; occasional in Washington.

Habitat: Fields, dunes, marshy areas, roadsides, disturbed sites.

Flowers: May - July

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Annuals from taproots, the stems simple or branching, covered with appressed, stiff hairs, up to 7 dm. tall.

Leaves:

Basal leaves in a rosette, petiolate; cauline leaves alternate, the lower petiolate, becoming sessile upward; leaf blades to 20 cm. long, pinnately lobed, the margins with rounded teeth.

Flowers:

Flowers single or in 2s or 3s on long peduncles or scapes; buds nodding; sepals 2, distinct; petals 4, orange to red, without a dark basal spot, up to 3 cm. long; stamens many, the anthers violet; style none.

Fruits:

Capsules narrowly obovoid, distinctly ribbed, up to 2 cm. long, at least twice as long as wide.

Accepted Name:
Papaver dubium L.
Publication: Sp. Pl. 2: 1196. 1753. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Papaver dubium in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Papaver dubium checklist entry.

E-Flora BC: Papaver dubium atlas page.

CalPhotos: Papaver dubium photos.

USDA Plants: Papaver dubium information.

30 photographs:
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