Taxon Details

Linanthus maculatus ssp. emaculatus

Jacumba Mountains linanthus

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Linanthus maculatus ssp. emaculatus, commonly known as Jacumba Mountains linanthus, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Desert dunes (edges), and Sonoran desert scrub, growing at elevations from 395 to 585 meters. Linanthus maculatus ssp. emaculatus is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Linanthus maculatus (Parish) Milliken ssp. emaculatus J.M. Porter, D.S. Bell & R. Patt.
Common Name: Jacumba Mountains linanthus
Family:	Polemoniaceae
Element Code:	PDPLM041Y2
USDA Plants Symbol:
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:	G2T1
State Rank:	S1
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes: added to 1B.1 on 2016-01-27
Add Date:	2016-01-27
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: (Mar)Apr(May)

Elevation:
395 - 585 meters
1295 - 1920 feet

General Habitats:

Desert dunes (edges)
Sonoran desert scrub

Microhabitat Details:

Microhabitat:

Decomposed granitic
Flats
Sandy
Washes

Notes

Notes: Discovered in 2010 by L. Hendrickson and L. Sward. Threatened by wind energy development and vehicles. See L. maculatus (in part) in TJM 2. See Aliso 32(2):55-88 (2015) 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:	2	40 %
Development	2	40%
ORV activity	1	20%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					5
A	B	C	D	X	U
0	0	1	0	0	4

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	5

Presence:
Presumed Extant	5
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Imperial (IMP), San Diego (SDG)

Quads: Name (Quad Code)
In-ko-pah Gorge (3211661), Jacumba (3211662)

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