CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record castela_emoryi - Sun, Nov. 28, 2021 13:09 ET c
Castela emoryi
common nameEmory's crucifixion-thorn
CalPhotos image
more photos
Charles Webber © 1998 California Academy of Sciences  Follow image link for photo data.
life form deciduous shrub
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
G3G4   G3G4: Intermediate between G3 and G4
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (40):
Yuha Basin (006A) 3211567, Coyote Wells (006B) 3211568, Mount Barrow (026B) 3311428, Kane Spring (030D) 3311517, Wileys Well (041B) 3311448, Palo Verde Peak (041D) 3311437, Chuckwalla Spring (042B) 3311542, Corn Spring (061A) 3311563, Desert Center (061B) 3311564, Hayfield Spring (062A) 3311565, Hayfield (062B) 3311566, East Of Red Canyon (062D) 3311555, Palen Mountains (077D) 3311571, Coxcomb Mountains (078A) 3311583, Victory Pass (078C) 3311574, Parker (095A) 3411423, Rice (097D) 3411417, East Of Dale Lake (100A) 3411525, Dale Lake (100B) 3411526, Clarks Pass (100D) 3411515, Savahia Peak NE (122A) 3411445, Savahia Peak NW (122B) 3411446, Emerson Lake (129B) 3411644, Snaggletooth (147C) 3411456, Stepladder Mountains NW (148B) 3411468, Amboy (151C) 3411556, Amboy Crater (152D) 3411557, Ludlow (153B) 3411662, Morgans Well (153C) 3411652, Lavic Lake (154A) 3411663, Sunshine Peak (154B)? 3411664, Goffs (174A) 3411581, Broadwell Lake (178C) 3411672, Hector (179C) 3411674, Sleeping Beauty (179D) 3411673, Troy Lake (180D) 3411675, Daggett (181C) 3411678, West Of Soda Lake (203B) 3511622, Dunn (204C) 3511614, Trona East (280D) 3511773
quad data info

Counties, states, regions:
Imperial (IMP), Inyo (INY), 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•Mojavean desert scrub (MDScr)
•Playas (Plyas)
•Sonoran desert scrub (SDScr)/gravelly
blooming period (Apr),Jun-Jul(Sep),(Oct),   Months in parentheses are uncommon.
elevation range90 - 725 meters
Threatened by solar energy development and military activities. Possibly threatened by road maintenance and herbicide use.
full nameCastela emoryi (Gray) Moran & Felger
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CAEM4 Element Code  PDSIM03030
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

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, Nov. 28, 2021 from

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