CNPS

CNPS Rare Plant Inventory



Species Details

Triteleia grandiflora

large-flowered triteleia

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Photo of Triteleia grandiflora
©2018 John Doyen

  Classification

Scientific Name:
Triteleia grandiflora Lindl.
Common Name:
large-flowered triteleia
Family: Themidaceae
Element Code: PMLIL21060
USDA Plants Symbol: TRGR7
Synonyms/Other Names:

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

  Occurrence Data from the CNDDB

Total Occurrences: 4
Element Occurrence Ranks:
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Other: USFS Potential Species of Conservation Concern Profile

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 January 2025].
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