Taxon Details

Echinocereus engelmannii var. howei

Howe's hedgehog cactus

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Taxon Summary:

Echinocereus engelmannii var. howei, commonly known as Howe's hedgehog cactus, is a perennial stem in the Cactaceae that is found only in California. It occurs within Mojavean desert scrub, growing at elevations from 430 to 775 meters. Echinocereus engelmannii var. howei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Echinocereus engelmannii (Parry) Ruempler var. howei L. Benson
Common Name: Howe's hedgehog cactus
Family:	Cactaceae
Element Code:	PDCAC06035
USDA Plants Symbol:	ECENH
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G5T1
State Rank:	S1
Other Status:	BLM_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial stem

Blooming Period: Apr-May

Elevation:
430 - 775 meters
1410 - 2545 feet

General Habitats:

Mojavean desert scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Probably threatened by horticultural collecting. Not in The Jepson Manual. See Cactus and Succulent Journal 46:80 (1974) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	3	100 %
Over-collecting/poaching	3	100%
Other	1	33%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					3
A	B	C	D	X	U
0	0	0	0	0	3

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	0

Presence:
Presumed Extant	3
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Bannock (3411487), Goffs (3411581)

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

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CNPS Rare Plant Inventory