Erigeron calvus

Critically Imperiled  (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. calvus
Binomial name
Erigeron calvus

Erigeron calvus is a very rare species of flowering plants in the family Asteraceae known by the common names bald daisy or bald fleabane.[2] It has been found only once, in a collection made in 1891 at the western foot of the Inyo Mountains near the community of Swansea in Inyo County.[3][4][2]

The species is listed as "seriously endangered" and may quite possibly be extinct.[5]

Erigeron calvus is a small biennial or perennial herb about 12 cm (5 inches) tall, producing a taproot. One plant can produce several flower heads, sometimes one per branch, sometimes in groups of 2 or 3. Each head has 50-100 small ray florets that are small and resemble disc florets, plus numerous genuine disc florets.[4][3]

References

  1. ↑ "NatureServe Explorer 2.0".
  2. 1 2 Calflora taxon report, University of California, Erigeron calvus Cov., bald daisy, bald fleabane
  3. 1 2 Coville, Frederick Vernon 1892. Proceedings of the Biological Society of Washington 7(2): 69–70
  4. 1 2 Flora of North America, Erigeron calvus Coville, Bald daisy
  5. ↑ California Native Plant Society, Inventory of Rare and Endangered Plants, Erigeron calvus Cov.


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