Taxon Details

Petalonyx linearis

narrow-leaf sandpaper-plant

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Taxon Summary:

Petalonyx linearis, commonly known as narrow-leaf sandpaper-plant, is a perennial shrub in the Loasaceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, and Sonoran desert scrub, growing at elevations from -25 to 1115 meters. Petalonyx linearis is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Petalonyx linearis Greene
Common Name: narrow-leaf sandpaper-plant
Family:	Loasaceae
Element Code:	PDLOA04010
USDA Plants Symbol:	PELI5
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3?
Other Status:
CRPR Changes: added to 2B.3 on 2016-11-16
Add Date:	2016-09-16
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial shrub

Blooming Period: (Jan-Feb)Mar-May(Jun-Dec)

Elevation:
-25 - 1115 meters
-80 - 3660 feet

General Habitats:

Mojavean desert scrub
Sonoran desert scrub

Microhabitat Details: Canyons

Microhabitat:

Rocky (sometimes)
Sandy (sometimes)

Notes

Notes: See Bulletin of the California Academy of Sciences 1(4):188 (1886) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					26
A	B	C	D	X	U
0	0	0	0	1	25

Occurrence Status:
Historical >20 Years	18
Recent <=20 Years	8

Presence:
Presumed Extant	25
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Sonora, Mexico (SO)

California Counties and Islands: Name (Code)
Imperial (IMP), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Agua Caliente Springs (3211683), Araz (3211476), Bard (3211475), Beaumont (3311688), Borrego Palm Canyon (3311634), Cabazon (3311687), Carrizo Mtn. (3211671), Carrizo Mtn. NE (3211681), Clark Lake NE (3311643), Collins Valley (3311644), Desert Center (3311564), East Deception Canyon (3311683), East of Victory Pass (3311573), Frink NW (3311546), Keys View (3311682), Laguna Dam (3211474), Lake Fulmor (3311677), Mecca (3311651), Myoma (3311673), Oasis (3311641), Orocopia Canyon (3311557), Parker (3411423), Picacho Peak (3211486), Rancho Mirage (3311664), Red Canyon (3311556), San Jacinto Peak (3311676), Whale Peak (3311613), White Water (3311686), Yuma West (3211466)

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

CNPS Rare Plant Inventory