Taxon Details

Triteleia ixioides ssp. cookii

Cook's triteleia

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Taxon Summary:

Triteleia ixioides ssp. cookii, commonly known as Cook's triteleia, is a perennial bulbiferous herb in the Themidaceae that is found only in California. It occurs within Cismontane woodland, and Closed-cone coniferous forest, growing at elevations from 150 to 700 meters. Triteleia ixioides ssp. cookii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Scientific Name:
Triteleia ixioides (Wats.) Greene ssp. cookii (Hoov.) Lenz
Common Name:
Cook's triteleia
Family: Themidaceae
Element Code: PMLIL210A2
USDA Plants Symbol: TRIXC
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial bulbiferous herb
Blooming Period: May-Jun
JFMAMJJASOND
Elevation:
150 - 700 meters
490 - 2295 feet
General Habitats:
  • Closed-cone coniferous forest
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
  • Seeps
  • Serpentine
Notes:
See Aliso 8(8):273 (1975) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 4 31 %
THREAT LIST:
Feral pigs 3 23%
Foot traffic/trampling 3 23%
Improper burning regime 3 23%
Other 3 23%
Road/trail construction/maint. 3 23%
Total Occurrences: 13
Element Occurrence Ranks:
A B C D X U
0 4 0 0 0 9
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 2
Presence:
Presumed Extant 13
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Burnett Peak (3512172), Burro Mountain (3512173), Cypress Mountain (3512058), Lime Mountain (3512068), Pebblestone Shut-in (3512161), Piedras Blancas (3512163), San Simeon (3512162)
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.
Presumed Extant
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