Species Details

Chylismia claviformis ssp. cruciformis

cruciform evening-primrose

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Scientific Name:
Chylismia claviformis (Torr. & Frem.) A. Heller ssp. cruciformis (Kellogg) W.L. Wagner & Hoch
Common Name:
cruciform evening-primrose
Family: Onagraceae
Element Code: PDONA030D4
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5T4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-11-05
Lifeform: annual herb
Blooming Period: May-Jul
Elevation:
600 - 1400 meters
1970 - 4595 feet
General Habitat:
  • Chenopod scrub
  • Great Basin scrub
General Micro Habitat:
Micro Habitat:
  • Clay
Notes:
See Proceedings of the California Academy of Sciences 2:227 (1863) for original description, Brittonia 16:282 (1964) for revised nomenclature, and Contributions from the U.S. National Herbarium 37:213-214 (1969) for taxonomic treatment.
Threats:
Taxonomy:
Other:
Total Occurrences: 25
Element Occurrence Ranks:
A B C D X U
0 3 4 0 0 18
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 4
Presence:
Presumed Extant 25
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)
Quads: Name (Quad Code)
Hays Canyon (4111938), Calneva Lake (4012021), Cherry Mtn. (4012051), Doyle (4012011), Eagleville (4112031), Five Springs (4012052), Karlo (4012053), Likely (4112025), Little Mud Flat (4012042), Shaffer Mtn. (4012043), Spencer Creek (4012031), Wendel (4012032)
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