CNPS

CNPS Rare Plant Inventory

Species Details

Leptosiphon rosaceus

rose leptosiphon

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Photo of Leptosiphon rosaceus
© 2013 Aaron Schusteff 		Photo of Leptosiphon rosaceus
© 2013 Aaron Schusteff 		Photo of Leptosiphon rosaceus
© 2013 Aaron Schusteff

Classification

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

Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
Other Status:
CRPR Changes:
Add Date: 2001-01-01
Date Edited: 2022-01-05

Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Jul
Elevation:
0 - 100 meters
0 - 330 feet
General Habitat:
  • Coastal bluff scrub
General Micro Habitat:
Micro Habitat:

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:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 31
Element Occurrence Ranks:
A B C D X U
0 11 7 2 6 5
Occurrence Status:
Historical >20 Years 17
Recent <=20 Years 14
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 13 August 2022].