Species Details

Allium howellii var. clokeyi

Mt. Pinos onion

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Classification

Scientific Name: Allium howellii Eastw. var. clokeyi Traub
Common Name: Mt. Pinos onion
Family:	Alliaceae
Element Code:	PMLIL02161
USDA Plants Symbol:	ALHOC
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3G4T2
State Rank:	S2
Other Status:	SB_SBBG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-08-06

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: Apr-Jun

Elevation:
1300 - 1850 meters
4265 - 6070 feet

General Habitats:

Great Basin scrub
Meadows and seeps (edges)
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by mining, road maintenance, and vehicles. Possibly threatened by grazing and trampling.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	4	16 %
ORV activity	3	12%
Wood cutting or brush clearing	1	4%
Development	1	4%
Grazing	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
2	2	0	0	0	21

Occurrence Status:
Historical >20 Years	18
Recent <=20 Years	7

Presence:
Presumed Extant	25
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX)?*, San Bernardino (SBD), Santa Barbara (SBA), Ventura (VEN)

Quads: Name (Quad Code)
Apache Canyon (3411973), Ballinger Canyon (3411984), Black Mtn. (3411867), Cuddy Valley (3411971), Frazier Mtn. (3411878), Harrison Mtn. (3411722), Hurricane Deck (3411977), Lake Arrowhead (3411732), Liebre Mtn. (3411866), Lockwood Valley (3411961), Rancho Nuevo Creek (3411964), Reyes Peak (3411963), San Guillermo (3411962), San Rafael Mtn. (3411967), Tehachapi North (3511824), Tehachapi South (3511814), Wheeler Springs (3411953)

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