CNPS

CNPS Rare Plant Inventory

Species Details

Streptanthus insignis ssp. lyonii

Arburua Ranch jewelflower

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Classification

Scientific Name:
Streptanthus insignis Jeps. ssp. lyonii Kruckeberg & Morrison
Common Name:
Arburua Ranch jewelflower
Family: Brassicaceae
Element Code: PDBRA2G0Q1
USDA Plants Symbol: STINL
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3G4T2
State Rank:
 S2
Other Status: BLM_S
CRPR Changes:
Add Date: 1984-01-01
Date Edited: 2021-05-26

Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-May
Elevation:
230 - 855 meters
755 - 2805 feet
General Habitat:
  • Coastal scrub (sometimes serpentinite)
General Micro Habitat:
Micro Habitat:

Notes

Notes:
Known from fewer than ten occurrences, where not often reported recently. Threatened by grazing, and potentially by reservoir construction. See Madroño 30(4):230-244 (1985) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 21
Element Occurrence Ranks:
A B C D X U
2 2 0 0 0 17
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 0
Presence:
Presumed Extant 21
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Merced (MER)
Quads: Name (Quad Code)
Los Banos Valley (3612181), Ortigalita Peak (3612078), Ortigalita Peak NW (3612088), Ruby Canyon (3612171)
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 18 August 2022].