Calystegia collina ssp. tridactylosa Calflora

Calflora, a 501c3 non-profit

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).


	Plant Range Observation Search ~20 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


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:


JEF	Convolvulus 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	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
Calystegia: from two Greek words kalux, "cup," and stegos, "a covering," and thus meaning "a covering cup" collina: pertaining to hills tridactylosa: from tri-, "three," and daktylos, "a finger, toe," thus meaning three-fingered or three-toed photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/12/2025).