Taxon Report

Clarkia amoena (Lehm.) Nels. & Macbr. ssp. whitneyi (Gray) Lewis & Lewis

Whitney's farewell-to-spring

Print Report


Taxon Summary

Clarkia amoena ssp. whitneyi, commonly known as Whitney's farewell-to-spring, is a annual herb in the Onagraceae that is found only in California. It occurs within Coastal bluff scrub, and Coastal scrub, growing at elevations from 10 to 100 meters. Clarkia amoena ssp. whitneyi is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.


  Classification

Scientific Name:
Clarkia amoena (Lehm.) Nels. & Macbr. ssp. whitneyi (Gray) Lewis & Lewis
Common Name:
Whitney's farewell-to-spring
Family: Onagraceae
Element Code: PDONA05025
USDA Plants Symbol: CLAMW
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: Jun-Aug Jun-Aug
Elevation: 10-100 (35-330)
General Habitats: Coastal bluff scrub, Coastal scrub
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 9
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 6
   Unknown (U) 3
California Endemic:  True
California Counties and Islands: Name (Code)
Humboldt (HUM), Mendocino (MEN)
Quads: Name (Quad Code)
Fort Bragg (3912347), Fortuna (4012452), Hales Grove (3912377), Inglenook (3912357), Shelter Cove (4012411), Westport (3912367)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
3 33 %
Agriculture 1 11%
Development 1 11%
Grazing 1 11%

Notes

See Proceedings of the American Academy of Arts and Sciences 7:340 (1865) for original description.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].