Erigeron tener

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Erigeron tener
Erigeron tener1.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Erigeron
Species: E. tener
Binomial name
Erigeron tener
(A.Gray) A.Gray 1880
  • Erigeron caespitosus var. tener A.Gray 1876

Erigeron tener is a North American species of flowering plant in the daisy family known by the common name slender fleabane.[2] It is native to the western United States, largely in the Great Basin, in the states of California, Arizona, Nevada, Utah, Oregon, Wyoming, Idaho, and Montana.[3][2]

Erigeron tener grows in open, rocky habitats. It is a perennial herb up to 20 centimeters (8 inches) tall, producing a large taproot and a woody caudex. It is surrounded at the base by narrow oval leaves up to 8 cm (3.2 inches) long, on petioles. There may be a few much smaller leaves along the stem. The inflorescence is made up of 1-3 flower heads per stem, each head lined with hairy, glandular phyllaries. The head contains 15–40 blue or purple ray florets surrounding numerous yellow disc florets.[4][5]


  1. ^ Tropicos, Erigeron tener (A. Gray) A. Gray List
  2. ^ a b Calflora taxon report, University of California, Erigeron tener A. Gray, slender fleabane
  3. ^ Biota of North America Program, 2014 county distribution map
  4. ^ Flora of North America, Erigeron tener (A. Gray) A. Gray, 1880. Slender fleabane
  5. ^ Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1984. Compositae. Part V.: 1–343. In C. L. Hitchcock Vascular Plants of the Pacific Northwest, University of Washington Press, Seattle.

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