Species Details

Allium tribracteatum

three-bracted onion

  Download Report   Calflora     CCH     CalPhotos
No Photo Available
Scientific Name:
Allium tribracteatum Torr.
Common Name:
three-bracted onion
Family: Alliaceae
Element Code: PMLIL022D0
USDA Plants Symbol: ALTR2
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Aug
Elevation:
1100 - 3000 meters
3610 - 9845 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Volcanic
Notes:
Threatened by vehicles. See Report of the Pacific Railroad Expedition 4:148 (1857) for original description, and Aliso 11(1):27-35 (1985) for revised treatment.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 35
Element Occurrence Ranks:
A B C D X U
5 8 3 0 0 19
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 23
Presence:
Presumed Extant 35
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alpine (ALP), Amador (AMA), Calaveras (CAL), El Dorado (ELD), Tuolumne (TUO)
Quads: Name (Quad Code)
Boards Crossing (3812032), Caldor (3812054), Cherry Lake South (3711988), Crandall Peak (3812022), Dardanelle (3811937), Devils Nose (3812044), Garnet Hill (3812043), Hull Creek (3812011), Lake Eleanor (3711987), Liberty Hill (3812031), Mokelumne Peak (3812051), Peddler Hill (3812053), Pinecrest (3811928), Piute Mtn. (3811915), Stanislaus (3812023), Strawberry (3812021), Tamarack (3812041), Tiltill Mtn. (3811916), Twain Harte (3812012)
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.

Map

Presumed Extant
Counties   Quads