Species Details

Leptosiphon grandiflorus

large-flowered leptosiphon

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Species Description:

Leptosiphon grandiflorus, commonly known as large-flowered leptosiphon, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Cismontane woodland, Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, Coastal prairie, Coastal scrub, and Valley and foothill grassland, growing at elevations from 5 to 1220 meters. Leptosiphon grandiflorus is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification

Scientific Name: Leptosiphon grandiflorus Benth.
Common Name: large-flowered leptosiphon
Family:	Polemoniaceae
Element Code:	PDPLM090K0
USDA Plants Symbol:	LEGR23
Synonyms/Other Names: Linanthus grandiflorus (Benth.) Greene
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G3G4
State Rank:	S3S4
Other Status:
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Aug

Elevation:
5 - 1220 meters
15 - 4005 feet

General Habitats:

Coastal bluff scrub
Closed-cone coniferous forest
Cismontane woodland
Coastal dunes
Coastal prairie
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Sandy (usually)

Notes

Notes: Many historical occurrences extirpated by development; need status information. A synonym of Linanthus grandiflorus in The Jepson Manual. See Pittonia 2:260 (1892) for revised nomenclature, and Aliso 19(1):55-91 (2000) for taxonomic treatment.
Threats:
Taxonomy:

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), Contra Costa (CCA), Humboldt (HUM), Kern (KRN), Lake (LAK), Marin (MRN), Mendocino (MEN), Merced (MER), Mono (MNO), Monterey (MNT), San Benito (SBT), San Diego (SDG), San Francisco (SFO), San Luis Obispo (SLO), San Mateo (SMT), Santa Barbara (SBA)*, Santa Clara (SCL), Santa Cruz (SCR), Sonoma (SON), Stanislaus (STA)

Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Boucher Hill (3311638), Carmel Valley (3612146), Casmalia (3412075), Cerro Colorado (3612068), Chittenden (3612185), Chualar (3612155), Clayton (3712188), Cupertino (3712231), Delta Ranch (3712016), Drakes Bay (3812218), Gilroy (3712115), Gosford (3511931), Gustine (3712038), Hayward (3712261), Hoopa (4112316), Inverness (3812217), Isabel Valley (3712135), La Honda (3712233), Las Trampas Ridge (3712271), Laurel (3712118), Lick Observatory (3712136), Loma Prieta (3712117), Marina (3612167), Mariposa Peak (3612182), Mesa Grande (3311627), Mississippi Creek (3712124), Monterey (3612158), Morgan Hill (3712126), Mt. Day (3712146), Mt. Madonna (3712116), Mt. Sizer (3712125), Mustang Peak (3712123), Oakland East (3712272), Oakland West (3712273), Orcutt (3412074), Pacheco Pass (3712112), Palo Escrito Peak (3612144), Palomar Observatory (3311637), Rana Creek (3612145), Richmond (3712283), Rodriquez Mtn. (3311628), San Francisco North (3712274), San Francisco South (3712264), San Jose West (3712138), San Luis Obispo (3512036), San Luis Rey (3311723), San Pasqual (3311618), San Rafael (3712285), Santa Cruz (3612281), Santa Maria (3412084), Santa Teresa Hills (3712127), Seaside (3612157), Soberanes Point (3612148), Soquel (3612188), Spreckels (3612156), Tomales (3812228), Valley Ford (3812238), Walnut Creek (3712281), Watsonville East (3612186), Whispering Pines (3812276), Willits (3912343)

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