Taxon Details

Sisyrinchium hitchcockii

Hitchcock's blue-eyed grass

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Taxon Summary:

Sisyrinchium hitchcockii, commonly known as Hitchcock's blue-eyed grass, is a perennial rhizomatous herb in the Iridaceae that is found in California and elsewhere. It occurs within Cismontane woodland (openings), and Valley and foothill grassland, growing at elevations from 305 to 305 meters. Sisyrinchium hitchcockii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Sisyrinchium hitchcockii D.M. Hend.
Common Name: Hitchcock's blue-eyed grass
Family:	Iridaceae
Element Code:	PMIRI0D0S0
USDA Plants Symbol:	SIHI4
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1G2
State Rank:	S1
Other Status:
CRPR Changes: added to 1B on 2004-06-01
Add Date:	2004-01-01
Date Edited:	2021-07-14

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jun

Elevation:
305 - 305 meters
1000 - 1000 feet

General Habitats:

Cismontane woodland (openings)
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA from only one occurrence near Cape Ridge. Needs field surveys. Threatened in OR. Sympatric with S. bellum. Distinguishing characters include lack of yellow tepal bases, extensive rhizomes and larger flowers. Not in The Jepson Manual. See Brittonia 28:170 (1976) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Humboldt (HUM)

Quads: Name (Quad Code)
Capetown (4012443)

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