Erigeron speciosus

Erigeron speciosus is a widespread North American species of flowering plants in the daisy family known by the common names aspen fleabane,[2] garden fleabane,[3] and showy fleabane.[4] It has been found in western Canada and the United States, from Alberta and British Columbia south as far as Arizona and New Mexico, with some isolated populations in the state of Baja California in Mexico.[5]

Erigeron speciosus
Main Botanical Garden, Academy of Sciences, Moscow, Russia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. speciosus
Binomial name
Erigeron speciosus
Synonyms[1]
Synonymy
  • Erigeron conspicuus Rydb.
  • Erigeron eucephaloides Greene
  • Erigeron grandiflorus Nutt. October 1834 not Hook. September 1834
  • Erigeron leiophyllus Greene
  • Erigeron leucotrichus Rydb.
  • Erigeron macranthus Nutt.
  • Erigeron salicinus Rydb.
  • Erigeron villosulus Greene
  • Stenactis speciosa Lindl.

Erigeron speciosus grows in prairies and open coniferous forests. It is a perennial herb up which grows up to 100 cm (40 inches) tall, producing underground rhizomes and a woody caudex. The inflorescence generally contains 2-20 flower heads per stem. Each head contains 75–150 white, lavender or blue ray florets surrounding many yellow disc florets.[4][6] Flowers bloom July to October.[4]

References
  1. The Plant List, Erigeron speciosus (Lindl.) DC.
  2. USDA, NRCS (n.d.). "Erigeron speciosus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 30 June 2015.
  3. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  4. Flora of North America, Erigeron speciosus. Showy fleabane
  5. Biota of North America Program 2014 county distribution map
  6. Eastwood, Alice 1896. Proceedings of the California Academy of Sciences, Series 2, 6: 297


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