CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record caulanthus_californicus - Thu, Dec. 2, 2021, 16:26 ET b
Caulanthus californicus
common nameCalifornia jewelflower
CalPhotos image
more photos
© 1993 William Sleuter  Follow image link for photo data.
life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingEndangered  01/87
federal listingEndangered  07/19/90
where found
MAPS - Use v8 link below.

Topographic quads (40):
Ballinger Canyon (191B)* 3411984, Cuyama Peak (191C)* 3411974, Cuyama (192A) 3411985, New Cuyama (192B)* 3411986, Fox Mountain (192D) 3411975, Arvin (214A)* 3511827, Taft (216B)* 3511924, Wells Ranch (217C) 3511916, Elkhorn Hills (217D) 3511915, Painted Rock (218A)* 3511927, Miranda Pine Mountain (219D)* 3512011, Rio Bravo Ranch (239A)* 3511847, Oil Center (239B)* 3511848, Edison (239D)* 3511837, Oildale (240A)* 3511941, Rosedale (240B)* 3511942, Belridge (242B)* 3511946, La Panza (244C) 3512032, Pine Mountain (262D)* 3511857, Wasco (264D)* 3511953, Lost Hills NE (265A) 3511965, Lost Hills (265C)* 3511956, Antelope Plain (266A)* 3511967, Emigrant Hill (266B)* 3511968, Sawtooth Ridge (267A)* 3512061, Sausalito School (287B)* 3511982, Delano East (287C)* 3511972, Richgrove (287D)* 3511971, Delano West (288D)* 3511973, Garza Peak (291B)* 3512082, Tent Hills (291C)* 3512072, Pyramid Hills (291D)* 3512071, Woodville (310C)* 3611912, Tulare (311A)* 3611923, Huron (314A)* 3612021, Avenal (314C)* 3612012, Coalinga (315A)* 3612023, Curry Mountain (315C)* 3612014, Kreyenhagen Hills (315D) 3612013, Fresno North (379D)?* 3611977
quad data info

Counties, states, regions:
Fresno (FRE), Kings (KNG)*, Kern (KRN), Santa Barbara (SBA), San Luis Obispo (SLO), Tulare (TUL)*
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
•Pinyon and juniper woodland (PJWld)
•Valley and foothill grassland (VFGrs)/sandy
blooming period Feb-May  
elevation range61 - 1000 meters
Over 35 historical occurrences extirpated; new populations recently discovered. Threatened by agriculture, urbanization, energy development, and grazing, and possibly by non-native plants. Experimental reintroductions have occurred in KRN, SBA, and TUL counties, but all have failed. See Fremontia 16(1):18-19 (1988) for species account.
full nameCaulanthus californicus (Wats.) Pays.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CACA21 Element Code  PDBRA31010
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 Thu, Dec. 2, 2021 from

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