CNPS

CNPS Rare Plant Inventory

Species Details

Ceanothus pendletonensis

Pendleton ceanothus

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Classification

Scientific Name:
Ceanothus pendletonensis D. O. Burge, Rebman & M. R. Mulligan
Common Name:
Pendleton ceanothus
Family: Rhamnaceae
Element Code: PDRHA04450
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
Other Status:
CRPR Changes:
added to 1B.2 on 2019-01-30
Add Date: 2019-01-30
Date Edited: 2021-06-03

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: Mar-Jun
Elevation:
110 - 870 meters
360 - 2855 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
  • Granitic

Notes

Notes:

Possibly threatened by road widening and military activities. Similar to C. leucodermis and C. spinosus; differentiated by warty stem texture and shorter leaves. See Systemic Botany 42(3):529-542 (2017) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 10
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 10
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 10
Presence:
Presumed Extant 10
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Fallbrook (3311743), Margarita Peak (3311744)
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
Print this Map
Counties   Quads

Selected References

CNPS Status Review: CRPR List Addition on 2019-01-30
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 16 May 2022].