Page authors: Don Knoke, David Giblin
Stephanomeria tenuifolia
wire lettuce, narrowleaf stephanomeria
WTU specimens
Other herbaria

Distribution: East of the Cascades in Washington; southern British Columbia south to California, east to Texas and western Montana.

Habitat: Dry, often rocky places, from the foothills and plains to moderate elevations in the mountains.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Nearly glabrous perennial with several stems rising from a taproot and branching, short, woody base, 2-7 dm. tall, with milky juice.

Leaves:

Leaves linear or filiform, entire, up to 3 cm. long and 3 mm. wide, the upper reduced and scale-like.

Flowers:

Heads terminating the branches, 5-flowered; involucre cylindric, 7-11 mm. high, with mostly 5 principle bracts; corollas all ligulate, white to pink; pappus white, the bristles plumose to the base.

Fruits:

Achenes 4-6 mm. long, longitudinally ribbed and grooved but otherwise smooth.

Accepted Name:
Stephanomeria tenuifolia (Raf.) H.M. Hall
Publication: Univ. Calif. Publ. Bot. 3: 256. 1907. 1907.

Synonyms & Misapplications:
Stephanomeria minor (Hook.) Nutt. var. minor
Stephanomeria tenuifolia (Raf.) H.M. Hall var. myrioclada (D.C. Eaton) Cronquist [HC]
Stephanomeria tenuifolia (Raf.) H.M. Hall var. tenuifolia [HC]
Additional Resources:

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

WA Flora Checklist: Stephanomeria tenuifolia checklist entry.

E-Flora BC: Stephanomeria tenuifolia atlas page.

CalPhotos: Stephanomeria tenuifolia photos.

USDA Plants: Stephanomeria tenuifolia information.

33 photographs:
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