Taxon Details

Spermolepis infernensis

Hellhole scaleseed

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Spermolepis infernensis, commonly known as Hellhole scaleseed, is a annual herb in the Apiaceae that is found only in California. It occurs within Sonoran desert scrub, growing at elevations from 230 to 670 meters. Spermolepis infernensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Spermolepis infernensis G.L. Nesom
Common Name: Hellhole scaleseed
Family:	Apiaceae
Element Code:	PDAPI23070
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes: added to 1B.2 on 2016-01-21
Add Date:	2016-01-21
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Apr

Elevation:
230 - 670 meters
755 - 2200 feet

General Habitats:

Sonoran desert scrub

Microhabitat Details:

Microhabitat:

Rocky (sometimes)
Sandy (sometimes)

Notes

Notes: Previously included within S. echinata; see this taxon in TJM (1993) and TJM 2. See Phytoneuron 2012-87 (2012) for original description and distinction from S. lateriflora.
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:					4
A	B	C	D	X	U
0	0	0	0	0	4

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	2

Presence:
Presumed Extant	4
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)
Borrego Palm Canyon (3311634), Borrego Sink (3311623), Tubb Canyon (3311624)

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