Erigeron gracilis

Erigeron gracilis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Erigeron
Species: E. gracilis
Binomial name
Erigeron gracilis
Rydb.

Erigeron gracilis is a North American species of flowering plant in the daisy family known by the common name quill fleabane.[1]

Erigeron gracilis is native to the Rocky Mountains of the United States, in the states of Idaho, Montana, and Wyoming.[1][2] Some of the known populations lie inside Yellowstone National Park.[3]

Erigeron gracilis is a perennial herb up to 20 cm (20 inches) tall, spreading by means of underground rhizomes. The plant generally produces only one flower heads per stem. Each head contains as many as 10 blue or purple ray florets surrounding numerous yellow disc florets.[1]

References

  1. 1 2 3 Flora of North America, Erigeron gracilis Rydberg, 1900. Quill fleabane
  2. ↑ Biota of North America Program 2014 county distribution map
  3. ↑ Rydberg, Per Axel 1900. Memoirs of The New York Botanical Garden 1: 404


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