Page authors: Don Knoke, David Giblin
Stephanomeria paniculata
stiff-branched stephanomeria, stiff-branched wirelettuce
Specimens
Photos

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

Habitat: Dry, open places in the plains and foothills.

Flowers: July-September

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees, butterflies, flies

Description:
General:

Mostly glabrous annual or biennial, with milky juice, mostly single-stemmed from the base, 2-10 dm. tall, the stem simple below and branching above, the branches short.

Leaves:

Basal leaves oblanceolate, small, toothed, somewhat auriculate, often deciduous, the others linear and reduced upwards.

Flowers:

Heads on short peduncles in an open, paniculate inflorescence; involucre cylindric, 6-9 mm. high, the 5-8 principle bracts equal, the few others much shorter; corollas all ligulate, 5-8, pale pink; pappus of 15-20 tawny bristles, plumose to the chaffy base.

Fruits:

Achenes 4.3-5 mm. long, wrinkled and pitted.

Accepted Name:
Stephanomeria paniculata Nutt.
Publication: Trans. Amer. Philos. Soc., n. s. 7: 428. 1841.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Stephanomeria paniculata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Stephanomeria paniculata checklist entry.

OregonFlora: Stephanomeria paniculata information.

E-Flora BC: Stephanomeria paniculata atlas page.

CalPhotos: Stephanomeria paniculata photos.

USDA Plants: Stephanomeria paniculata information.

9 photographs:
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