Erigeron tener

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
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
Synonyms[1]
  • Erigeron caespitosus var. tener A.Gray 1876

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]

References
  1. Tropicos, Erigeron tener (A. Gray) A. Gray List
  2. 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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