Erigeron porsildii

Erigeron porsildii
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Erigeron
Species: E. porsildii
Binomial name
Erigeron porsildii
G.L.Nesom & D.F.Murray
Synonyms[1]
  • Erigeron grandiflorus subsp. arcticus A.E.Porsild 1975, not E. arcticus Rouy 1903

Erigeron porsildii is an Arctic species of flowering plant in the daisy family known by the common name Porsild’s Arctic fleabane.[2] It has been found in Alaska, Yukon, and the Northwest Territories.[2]

Erigeron porsildii is a perennial herb up to 25 centimeters (10 inches) tall, spreading by means of underground rhizomes. Leaves and stems are covered with many hairs The plant generally produces only one flower head per stem. Each head has 65–110 blue, lavender, or white ray florets surrounding numerous yellow disc florets. The species grows on cliffs, talus, gravel, and dry tundra.[2][3]

References

  1. ↑ The Plant List, Erigeron porsildii G.L.Nesom & D.F.Murray
  2. 1 2 3 Flora of North America, Erigeron porsildii G. L. Nesom & D. F. Murray, 2004. Porsild’s Arctic fleabane
  3. ↑ Nesom, Guy L. & Murray, David Fletcher 2004. Sida 21(1): 44-46


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