USDA Forest Service Celebrating Wildflowers
Critically Imperiled Plant Profile
(Not Listed or Proposed under the Endangered Species Act)
Notice the dark gland dots along the margin of the fan-shaped sepals. Photo © Chris Winchell.
Lewisia congdonii range map.
Lewisia congdonii, Congdon’s bitterroot
- Lewisia congdonii is restricted the canyons of the Kings and Merced Rivers in the southern Sierra Nevada.
- A few of the approximately eight occurrences are threatened by road maintenance, herbicide spraying and overcollecting.
National Forest and Grassland Occurrence
Petal tips are ragged. Photo © John Game.
Lewisia congdonii. Photo © Jim Shevock.
This lewisia has a well-developed basal cluster of flat leaves. Photo © John Game.
Each stem has many small flowers, held well above the basal leaves. Photo © Dana York.
Congdon’s lewisia grows in pockets of soil on north-facing rock outcrops in the central Sierra Nevada. Photo © Jennie Haas.
Lewisia congdonii habitat. Photo © Jim Shevock.
U.S. Forest Service
1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103
Last modified: Wednesday, 13-Oct-2010 14:35:46 EDT