CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record chylismia_arenaria - Sun, Dec. 5, 2021, 17:57 ET b
Chylismia arenaria
common namesand evening-primrose
CalPhotos image
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life formannual/perennial herb
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S2S3   S2S3: Intermediate between S2 and S3
global rank
G4?      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (15):
Picacho SW (025C) 3311416, Mount Barrow (026B) 3311428, Quartz Peak (026D) 3311417, East Of Acolita (027D) 3311511, Cibola (040C) 3311436, Palo Verde Peak (041D) 3311437, Little Chuckwalla Mountains (042A) 3311541, Chuckwalla Spring (042B) 3311542, Iris Pass (043B) 3311544, Lion Head Mountain (043D) 3311533, Oasis (046A) 3311641, Hayfield (062B) 3311566, Red Canyon (062C) 3311556, Parker (095A) 3411423, Topock (146B) 3411464
quad data info

Counties, states, regions:
Imperial (IMP), Riverside (RIV), San Bernardino (SBD), Arizona (AZ), Sonora - Mexico (SO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Sonoran desert scrub (SDScr)(sandy or rocky)
blooming period Nov-May  
elevation range-70 - 915 meters
Threatened by vehicles. Possibly threatened by military activities. Similar to C. cardiophylla. See American Journal of Botany 21(9):575 (1934) for original description, Brittonia 16(3):281 (1964) for revised nomenclature, and Contributions from the U.S. National Herbarium 37(5):236-237 (1969) for taxonomic treatment.
full nameChylismia arenaria A. Nelson
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDONA03020
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sun, Dec. 5, 2021 from

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