Erigeron corymbosus is a North American species of flowering plants in the family Asteraceae known by the common name long-leaf fleabane. It is found in western Canada (British Columbia) and the western United States (Washington, Oregon, Idaho, Montana, Wyoming, Utah).[2]

Erigeron corymbosus is a perennial herb up to 50 cm (20 inches) tall, forming a taproot. Each branch produces an array of up to 16 flower heads, each head with 35–65 blue or pink ray florets plus numerous yellow disc florets.[3]

References

  1. ^ Tropicos, Erigeron corymbosus Nutt.
  2. ^ Biota of North America Program 2014 county distribution map
  3. ^ Flora of North America, Erigeron corymbosus Nuttall, Trans. Amer. Philos. Soc., n. s. 7: 308. 1840. Long-leaf fleabane