Species Details

Oenothera longissima

long-stem evening-primrose

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Scientific Name:
Oenothera longissima Rydb.
Common Name:
long-stem evening-primrose
Family: Onagraceae
Element Code: PDONA0C0T0
USDA Plants Symbol: OELO
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
S1
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
added to 2.2 on 2006-12-27
Add Date: 2006-12-27
Date Edited: 2022-05-05
Lifeform: annual/perennial herb
Blooming Period: Jul-Sep
Elevation:
1000 - 1700 meters
3280 - 5580 feet
General Habitat:
  • Mojavean desert scrub
  • Pinyon and juniper woodland
General Micro Habitat:
Micro Habitat:
  • Mesic (sometimes)
Notes:
Known in California from only Inyo and San Bernardino Counties. See Bull. Torrey Bot. Club 40: 65 (1913) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 4
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 1
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Colorado (CO), Nevada (NV), New Mexico (NM), Utah (UT)
California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)
Quads: Name (Quad Code)
Bighorn Basin (3411576), Deep Springs Lake (3711831), Fountain Peak (3411585), Ivanpah (3511533)
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