Species Details

Mentzelia tricuspis

spiny-hair blazing star

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Scientific Name:
Mentzelia tricuspis A. Gray
Common Name:
spiny-hair blazing star
Family: Loasaceae
Element Code: PDLOA031T0
USDA Plants Symbol: METR2
Synonyms/Other Names:
CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.1 to 2B.1 on 2013-06-12
added to 2.1 on 2010-10-28
Add Date: 2010-10-28
Date Edited: 2022-03-01
Lifeform: annual herb
Blooming Period: Mar-May
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Elevation:
150 - 1280 meters
490 - 4200 feet
General Habitats:
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
  • Gravelly
  • Sandy
  • Slopes
  • Washes
Notes:
Single record from IMP Co. is likely M. hirsutissima. Occurrences from RIV Co. need quads and verification. Need quads for INY Co. Possibly threatened by renewable energy development.
Threats:
Taxonomy:
Total Occurrences: 16
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 16
Occurrence Status:
Historical >20 Years 15
Recent <=20 Years 1
Presence:
Presumed Extant 16
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV), Utah (UT)
California Counties and Islands: Name (Code)
Imperial (IMP), Inyo (INY), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Bannock (3411487), Barstow (3411781), Beaumont (3311688), Blackwater Mine (3511577), Cottonwood Spring (3311567), Desert Hot Springs (3311685), East of Homer Mtn. (3511417), Flattop Mtn. (3411477), Havasu Lake (3411444), In-ko-pah Gorge (3211661), Monumental Pass (3411466), Mt. Manchester (3511416), Needles (3411475), Needles Nw (3411486), Needles SW (3411476), Topock (3411464), White Water (3311686)
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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