Species Details

Leptosiphon rosaceus

rose leptosiphon

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Classification

Scientific Name: Leptosiphon rosaceus (Greene) R. Battaglia
Common Name: rose leptosiphon
Family:	Polemoniaceae
Element Code:	PDPLM09180
USDA Plants Symbol:	LERO7
Synonyms/Other Names: Linanthus rosaceus Greene

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jul

Elevation:
0 - 100 meters
0 - 330 feet

General Habitats:

Coastal bluff scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by competition and non-native plants. Not in The Jepson Manual. See Curtis Bot. Mag. 96:tab. 5863 (1870) for original description, and Madroño 48(2):75 (2001) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	18	58 %
Grazing	12	38%
Non-native plant impacts	7	22%
Foot traffic/trampling	3	9%
Erosion/runoff	1	3%
Road/trail construction/maint.	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					31
A	B	C	D	X	U
0	11	7	2	6	5

Occurrence Status:
Historical >20 Years	20
Recent <=20 Years	11

Presence:
Presumed Extant	25
Possibly Extirpated	6
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), San Francisco (SFO)*, San Mateo (SMT), Sonoma (SON)*

Quads: Name (Quad Code)
Drakes Bay (3812218), Half Moon Bay (3712244), Hunters Point (3712263), Montara Mountain (3712254), Oakland West (3712273), Pigeon Point (3712224)*, Plantation (3812353)*, Point Bonita (3712275), San Francisco North (3712274)*, San Francisco South (3712264), San Gregorio (3712234)*, Tomales (3812228), Valley Ford (3812238)*

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