Page authors: Don Knoke, David Giblin
Madia citriodora
lemon-scented tarplant, lemon tarweed, lemon-scented tarweed
WTU specimens
Other herbaria
WTU images

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

Habitat: Dry, open hillsides and foothills.

Flowers: May-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Strongly lemon-scented annual, 1.5-6 dm. tall, covered with short, stiff hairs throughout and stalked glands upward.

Leaves:

Leaves lanceolate to linear, 2-8 cm. long and 1.5-10 mm. wide, entire.

Flowers:

Heads several in an open inflorescence, the lateral branches often topping the central; involucre 6-8 mm. high, ovoid, the bracts in a single series, equal, the flat tips of the bracts well developed, the lower portion clasping the ray achene; rays 5-8, 6-10 mm. long, pistillate and fertile, bright yellow; disk flowers sterile, yellow, surrounded by a cup of united bracts attached to the receptacle, which is covered with erect, straight hairs; pappus none.

Fruits:

Achenes three-sided, one side rounded.

Accepted Name:
Madia citriodora Greene
Publication: Bull. Torrey Bot. Club. 9: 63. 1882.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Madia citriodora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Madia citriodora checklist entry.

E-Flora BC: Madia citriodora atlas page.

CalPhotos: Madia citriodora photos.

USDA Plants: Madia citriodora information.

13 photographs:
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