CNPS

CNPS Rare Plant Inventory

Species Details

Lewisia longipetala

long-petaled lewisia

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Photo of Lewisia longipetala
© 2009 Gary A. Monroe 		Photo of Lewisia longipetala
© 2011 Steve Matson 		Photo of Lewisia longipetala
© 2011 Steve Matson

  Classification

Scientific Name:
Lewisia longipetala (Piper) Clay
Common Name:
long-petaled lewisia
Family: Montiaceae
Element Code: PDPOR040K0
USDA Plants Symbol: LELO2
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G2
State Rank:
 S2
Other Status: USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-02-01

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul-Aug(Sep)
JFMAMJJASOND
Elevation:
2500 - 2925 meters
8205 - 9595 feet
General Habitats:
  • Alpine boulder and rock field
  • Subalpine coniferous forest (mesic, rocky)
Microhabitat Details:
Microhabitat:
  • Granitic

  Notes

Notes:
Possibly threatened by horticultural collecting. Interim management guidelines prepared by the USFS in 1992. See Contributions from the U.S. National Herbarium 16:207 (1918) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 7 50 %
THREAT LIST:
Other 3 21%
Development 2 14%
Grazing 2 14%
ORV activity 2 14%

  Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
4 6 3 0 0 1
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 5
Presence:
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
El Dorado (ELD), Nevada (NEV), Placer (PLA)
Quads: Name (Quad Code)
Echo Lake (3812071), Granite Chief (3912023), Independence Lake (3912043), Norden (3912033), Pyramid Peak (3812072), Rockbound Valley (3812082)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 30 November 2024].