Erigeron watsonii

Species of flowering plant

Erigeron watsonii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. watsonii
Binomial name
Erigeron watsonii
(A.Gray) Cronquist
Synonyms[1][2]
  • Aster watsonii A.Gray
  • Erigeron watsoni (A.Gray) Cronquist
  • Asterigeron watsonii (A.Gray) Rydb.
  • Aster watsoni A.Gray

Erigeron watsonii is a rare North American species of flowering plant in the family Asteraceae known by the common name Watson's fleabane.[3] It in the mountainous areas of the western United States, in the states of Idaho, Nevada, and Utah.[4]

Erigeron watsonii grows on rocky slopes in open areas featuring sagebrush or pine woodlands. It is a small perennial herb rarely more than 10 centimeters (4 inches) tall, producing a thin taproot and a branching woody caudex. It generally produces only one flower head per stem, but sometimes two. Each head contains 13–25 white or pink ray florets, surrounding numerous yellow disc florets.[3]

References

  1. ^ Tropicos, Erigeron watsonii (A. Gray) Cronquist
  2. ^ Tropicos, Aster watsonii A. Gray
  3. ^ a b Flora of North America, Erigeron watsonii (A. Gray) Cronquist, 1947. Watson’s fleabane
  4. ^ Biota of North America Program 2014 county distribution map
Taxon identifiers
Erigeron watsonii
Aster watsonii


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