CNPS

CNPS Rare Plant Inventory

Species Details

Calyptridium quadripetalum

four-petaled pussypaws

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No Photo Available

  Classification

Scientific Name:
Calyptridium quadripetalum Wats.
Common Name:
four-petaled pussypaws
Family: Montiaceae
Element Code: PDPOR09080
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
 S4
Other Status: SB_UCBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-09-27

  Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Jun
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Elevation:
315 - 2040 meters
1035 - 6695 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Gravelly (sometimes)
  • Sandy (sometimes)
  • Serpentine (usually)

  Notes

Notes:
Threatened by vehicles. See Proceedings of the American Academy of Arts and Sciences 20:356 (1885) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Mendocino (MEN), Napa (NAP), Sonoma (SON), Tehama (TEH)
Quads: Name (Quad Code)
Clearlake Highlands (3812286), Detert Reservoir (3812265), Fouts Springs (3912236), Highland Springs (3812288), Hough Springs (3912225), Jericho Valley (3812274), Kelseyville (3812287), Knoxville (3812273), Leesville (3912224), Raglin Ridge (4012216), The Geysers (3812277), Whispering Pines (3812276), Wilbur Springs (3912214)
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 23 November 2024].