Critically Imperiled Plant Profile
(Not Listed or Proposed under the Endangered Species Act)

Potentilla glandulosa ssp. ewanii
Ewan’s cinquefoil is one of many varieties of the widespread species Potentilla glandulosa. Its flowers that do not open fully and its narrow geographic range in the San Gabriel Mountains of southern California distinguish this variety. Photo by Tommy Stoughton.

Potentilla glandulosa ssp. ewanii
This cinquefoil grows in wet places such as seep margins, within pine and fir forest. Photo by Michael Charters.

Potentilla glandulosa ssp. ewanii range map.
Potentilla glandulosa ssp. ewanii range map.

Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil

Threats

  • Endemic to southern California, Ewan’s cinquefoil is known from a handful of sites in Los Angeles and San Bernardino counties, all on national forest lands.
  • NatureServe has not assessed threats yet.

Conservation Status

National Forest and Grassland Occurrence

More Information

Potentilla glandulosa ssp. ewanii
Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil. Photo by Tommy Stoughton.

Potentilla glandulosa ssp. ewanii
Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil. Photo by Tommy Stoughton.

Potentilla glandulosa ssp. ewanii
Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil. Photo by Tommy Stoughton.