CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record calystegia_vanzuukiae - Sat, Dec. 4, 2021, 21:50 ET b
Calystegia vanzuukiae
common nameVan Zuuk's morning-glory
CalPhotos image
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life form rhizomatous herb
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S2      ranking system key
global rank
G2Q      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (4):
Georgetown (526A) 3812087, Garden Valley (526D) 3812077, Dutch Flat (541A) 3912027, Foresthill (541D) 3912017
quad data info

Counties, states, regions:
El Dorado (ELD), Placer (PLA)
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)/Gabbro, serpentinite
blooming period May-Aug  
elevation range500 - 1180 meters
Known only from the Central Sierra Nevada foothills. Potentially threatened by mining, vehicles, and non-native plants. Probably a stabilized hybrid between C. stebbinsii and C. occidentalis ssp. occidentalis. See Aliso 31(1):15-18 (2013) for original description.
full nameCalystegia vanzuukiae Brummitt & Namoff
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDCON040Q0
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 Sat, Dec. 4, 2021 from

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