Erigeron uncialis is a North American species of flowering plant in the family Asteraceae known by the common name lone fleabane or limestone daisy.[1] It is native to the western United States, in the states of Nevada and California.[2][3]

Erigeron uncialis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. uncialis
Binomial name
Erigeron uncialis

Erigeron uncialis grows on cliff faces, usually limestone, often alongside various conifer trees. It is a clump-forming perennial herb rarely more than 7 centimeters (2.8 inches) tall, producing a taproot and a woody underground caudex. The inflorescence is made up of only one flower heads per stem. Each head contains 22–30 white or pink ray florets surrounding numerous yellow disc florets.[1]

Varieties[4][1]
  • Erigeron uncialis var. conjugans S.F.Blake - Nevada
  • Erigeron uncialis var. uncialis - California

References edit