CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record ceanothus_purpureus - Sat, Nov. 27, 2021 00:48 ET c
Ceanothus purpureus
common nameholly-leaved ceanothus
Inventory image more photos more photos
© 2003 Jake Ruygt
life form evergreen shrub
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (10):
Cordelia (482B) 3812222, Capell Valley (499B) 3812242, Mount George (499C) 3812232, Yountville (500A) 3812243, Kenwood (501A) 3812245, Sebastopol (502A) 3812247, St. Helena (516C) 3812254, Detert Reservoir (517A) 3812265, Guerneville (518C) 3812258, Fort Ross (519C) 3812352
quad data info

Counties, states, regions:
Napa (NAP), Shasta (SHA), Solano (SOL), Sonoma (SON), Trinity (TRI)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)/volcanic, rocky
blooming period Feb-Jun  
elevation range120 - 640 meters
Threatened by agriculture, development, and alteration of fire regimes. See A Flora of Western Middle California , p. 258 (1901) by W. L. Jepson for original description, and Fremontia 15(4):25-26 (1988) for species account.
full nameCeanothus purpureus Jeps.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CEPU2 Element Code  PDRHA04160
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 Sat, Nov. 27, 2021 from

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