Taxon Details

Leptosiphon aureus

bristly leptosiphon

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Taxon Summary:

Leptosiphon aureus, commonly known as bristly leptosiphon, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Coastal prairie, and Valley and foothill grassland, growing at elevations from 55 to 1500 meters. Leptosiphon aureus is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification

Scientific Name: Leptosiphon aureus Benth.
Common Name: bristly leptosiphon
Family:	Polemoniaceae
Element Code:	PDPLM09010
USDA Plants Symbol:	LEAC11
Synonyms/Other Names: Linanthus acicularis Greene Leptosiphon acicularis (Greene) Jeps.
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4?
State Rank:	S4?
Other Status:
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2022-09-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jul

Elevation:
55 - 1500 meters
180 - 4920 feet

General Habitats:

Chaparral
Cismontane woodland
Coastal prairie
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Historical occurrences need verification. Does plant occur in CCA Co.?
Threats: Potentially threatened by road widening.
Taxonomy: A synonym of Linanthus acicularis in TJM (1993).

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Alameda (ALA), Butte (BUT), Colusa (COL), Humboldt (HUM), Kern (KRN), Lake (LAK), Marin (MRN), Mendocino (MEN), Napa (NAP), Placer (PLA), San Benito (SBT), San Mateo (SMT), Santa Clara (SCL), Solano (SOL), Sonoma (SON), Yuba (YUB)

Quads: Name (Quad Code)
Auburn (3812181), Bartlett Springs (3912226), Benmore Canyon (3912215), Big Basin (3712222), Bolinas (3712286), Bridgeville (4012347), Brushy Mtn. (3912352), Burbeck (3912344), Calistoga (3812255), Camp Meeker (3812248), Capell Valley (3812242), Castle Rock Ridge (3712221), Cazadero (3812351), Clearlake Highlands (3812286), Clearlake Oaks (3912216), Cold Spring (3912315), Comptche (3912335), Cordelia (3812222), Covelo East (3912372), Davenport (3712212), Detert Reservoir (3812265), Dos Rios (3912363), Dublin (3712168)?, Elledge Peak (3912312), Felton (3712211), Fort Ross (3812352), Foster Mtn. (3912342), Garberville (4012317), Geyserville (3812268), Glen Ellen (3812235), Gold Hill (3812182), Hayward (3712261), Healdsburg (3812257), Hennessy Peak (4012375), Hepsedam Peak (3612037), Highland Springs (3812288), Holter Ridge (4112338), Honcut (3912135), Hopland (3812381), Hull Mountain (3912258), Inverness (3812217), Jamison Ridge (3912362), Jimtown (3812267), Kelseyville (3812287), Kenwood (3812245), Lakeport (3912218), Larabee Valley (4012346), Laughlin Range (3912333), Leech Lake Mtn. (3912381), Livermore (3712167), Loma Rica (3912134), Longvale (3912354), Lower Lake (3812285), Lucerne (3912217), Mark West Springs (3812256), Middletown (3812275), Mindego Hill (3712232), Miranda (4012327), Monticello Dam (3812251), Mt. George (3812232), Napa (3812233), Newhouse Ridge (3912371), Novato (3812215), Oakland East (3712272), Orick (4112431), Ornbaun Valley (3812383), Orrs Springs (3912323), Palermo (3912145), Palo Alto (3712242), Petaluma River (3812225), Philo (3912314), Plantation (3812353), Potter Valley (3912331), Purdys Gardens (3912311), Redwood Valley (3912332), Richmond (3712283), Rutherford (3812244), Salt Canyon (3912213), Salyer (4012385), San Rafael (3712285), Santa Rosa (3812246), Santa Teresa Hills (3712127), Sears Point (3812224), Sonoma (3812234), The Geysers (3812277), Ukiah (3912322), Upper Lake (3912228), Valley Ford (3812238), Walker Pass (3511861), Whispering Pines (3812276), Willits (3912343), Willow Creek (4012386), Woodside (3712243), Yountville (3812243)

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 Name Change:	Non-Substantive Name Changes: Multiple taxa in various plant families from the Jepson eFlora revisions 8, 9, and 10
Original Description:	Pittonia 2:259 (1892)
Revised Nomenclature:	School fl. Pacif. Coast 77 (1902)
Species Account:	Leptosiphon acicularis profile for potential Species of Conservation Concern evaluation (2018)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory