Taxon Details

Iris tenax ssp. klamathensis

Orleans iris

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Iris tenax ssp. klamathensis, commonly known as Orleans iris, is a perennial rhizomatous herb in the Iridaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 100 to 1400 meters. Iris tenax ssp. klamathensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Iris tenax Dougl. ssp. klamathensis Lenz
Common Name: Orleans iris
Family:	Iridaceae
Element Code:	PMIRI090Z2
USDA Plants Symbol:	IRTEK2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4G5T4
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Apr-May

Elevation:
100 - 1400 meters
330 - 4595 feet

General Habitats:

Lower montane coniferous forest (often disturbed areas)

Microhabitat Details:

Microhabitat:

Notes

Notes:
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Siskiyou (SIS)

Quads: Name (Quad Code)
Bark Shanty Gulch (4112345), Forks of Salmon (4112333), Hiouchi (4112471), Orleans (4112335), Orleans Mtn. (4112334), Salyer (4012385), Somes Bar (4112344)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Original Description:	Aliso 4(1):64 (1958)
Species Account:	Iris tenax ssp. klamathensis profile for potential Species of Conservation Concern evaluation (2018)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory