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Taxon  Report  
Calystegia collina  (Greene) Brummitt  ssp. tridactylosa  (Eastw.) Brummitt
Coast range false bindweed,   Three fingered morning glory
Calystegia collina ssp. tridactylosa is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~20 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Calystegia collina
Genus: Calystegia
Family: Convolvulaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 4.5 - broad endemic
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEFConvolvulus tridactylosa
Information about  Calystegia collina ssp. tridactylosa from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CACOT)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

Calystegia: from two Greek words kalux, "cup," and stegos, "a covering," and thus meaning "a covering cup" (contributed by Cynthia Powell)

collina: pertaining to hills (contributed by Cynthia Powell)

tridactylosa: from tri-, "three," and daktylos, "a finger, toe," thus meaning three-fingered or three-toed (contributed by Cynthia Powell)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/28/2024).