Taxon Details

Triteleia grandiflora

large-flowered triteleia

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Taxon Summary:

Triteleia grandiflora, commonly known as large-flowered triteleia, is a perennial bulbiferous herb in the Themidaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 700 to 1500 meters. Triteleia grandiflora is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Triteleia grandiflora Lindl.
Common Name: large-flowered triteleia
Family:	Themidaceae
Element Code:	PMLIL21060
USDA Plants Symbol:	TRGR7
Synonyms/Other Names: Triteleia grandiflora var. howellii
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G4G5
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: Apr-Jun

Elevation:
700 - 1500 meters
2295 - 4920 feet

General Habitats:

Great Basin scrub
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by pipeline construction. Possibly threatened by grazing. See Proceedings of the American Academy of Arts and Sciences 14:301 (1879) for original description, and American Midland Naturalist 25:80 (1941) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	50 %
Grazing	2	50%
Other	1	25%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
A	B	C	D	X	U
0	1	0	0	0	3

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	1

Presence:
Presumed Extant	4
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Colorado (CO), Idaho (ID), Montana (MT), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Modoc (MOD), Siskiyou (SIS)

Quads: Name (Quad Code)
Big Swamp (4112121), Hornbrook (4112285), Rimrock Lake (4112162), Solomons Temple (4112263)

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