Taxon Report

Streptanthus insignis Jeps. ssp. lyonii Kruckeberg & Morrison

Arburua Ranch jewelflower

Print Report

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:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-May	Mar-May
Elevation:	230-855 (755-2805)
General Habitats:	Coastal scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G3G4T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	21
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	17

Location


California Endemic: True
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)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	12	57 %
Grazing	12	57%
Dam/Inundation	6	28%
Recreational use (non-ORV)	1	4%

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:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].