Erigeron acer

Erigeron acris

Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. acris
Binomial name
Erigeron acris
Synonyms[2]
  • Erigeron polymorphus var. acris (L.) Clemente
  • Inula acris (L.) Bernh.
  • Trimorpha acris (L.) Gray
  • Trimorpha vulgaris Cass.

Erigeron acris is a widespread species of herbaceous flowering plant in the family Asteraceae. Common names include bitter fleabane and blue fleabane. The species is native to Canada, colder parts of the United States,[3][4] northern, central, and southeastern Asia,[5] and most of Europe.[6]

Erigeron acris is a biennial or perennial herb up to 100 cm (40 inches) tall, producing a taproot and a woody rhizome. One plant can produce many small flower heads, each with pink, lilac, or occasionally white ray florets and yellow disc florets.[5]

Subspecies and varieties:[2]

  • Erigeron acris subsp. acris
  • Erigeron acris subsp. angulosus (Gaudin) Vacc.
  • Erigeron acris subsp. arctophilus (Rech.f.) Rech.f.
  • Erigeron acris subsp. asadbarensis (Vierh.) Rech.f.
  • Erigeron acris subsp. botschantzevii
  • Erigeron acris subsp. brachycephalus (H.Lindb.)
  • Erigeron acris subsp. droebachensis (O.F.Müll.) Arcang.
  • Erigeron acris subsp. kamtschaticus (DC.)
  • Erigeron acris var. khasianus (Hook.f.)
  • Erigeron acris subsp. lalehzaricus.
  • Erigeron acris subsp. mesatlanticus (Maire) Maire
  • Erigeron acris var. multicaulis (Wall. ex DC.)
  • Erigeron acris subsp. phaeocephalus.
  • Erigeron acris subsp. podolicus (Besser) Nyman
  • Erigeron acris subsp. politu (Fr.) H.Lindb.
  • Erigeron acris subsp. pycnotrichus (Vierh.) Grierson
  • Erigeron acris subsp. staintonii.

References

  1. ^ NatureServe (3 January 2025). "Erigeron acris". NatureServe Explorer. Arlington, Virginia. Retrieved 12 January 2025.
  2. ^ a b "Erigeron acris L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 January 2025.
  3. ^ Flora of North America, Erigeron acris Linnaeus, Sp. Pl. 2: 863. 1753. Fleabane
  4. ^ Biota of North America Program, 2014 state-level distribution map, Erigeron acris
  5. ^ a b Flora of China, Erigeron acris Linnaeus, Sp. Pl. 2: 863. 1753. 飞蓬 fei peng
  6. ^ Altervista Flora Italiana, Cespica acre, Erigeron acer L.