CNPS

CNPS Rare Plant Inventory

Species Details

Clarkia speciosa ssp. polyantha

red spot clarkia

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Photo of Clarkia speciosa ssp. polyantha
Aaron Schusteff 		Photo of Clarkia speciosa ssp. polyantha
Neal Kramer 		Photo of Clarkia speciosa ssp. polyantha
Neal Kramer

  Classification

Scientific Name:
Clarkia speciosa F.H. Lewis & M.E. Lewis ssp. polyantha F.H. Lewis & M.E. Lewis
Common Name:
red spot clarkia
Family: Onagraceae
Element Code: PDONA05112
USDA Plants Symbol: CLSPP
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank:
State Rank:
Other Status:
CRPR Changes:
added to 4.3 on 2024-09-26
Add Date: 2024-09-26
Date Edited: 2024-09-30

  Ecology and Life History

Lifeform: annual herb
Blooming Period: (Mar)May-Jun(Jul)
JFMAMJJASOND
Elevation:
235 - 2000 meters
770 - 6560 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
  • Upper montane coniferous forest
Microhabitat Details: Often found on open slopes within woodland or conifer forest.
Microhabitat:
  • Granitic (sometimes)

  Notes

Notes:
Threats:
Taxonomy:
Intergrades with ssp. nitens.

  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)
Quads: Name (Quad Code)
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

No Counties to display. No Quads to display.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

CNPS Status Review: Proposed addition to CRPR 4.2, G3 T3 / S3 (2024)
Original Description: University of California Publications in Botany 20: 241–392 (1955)
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 21 December 2024].