Taxon  Report   1369    
Calystegia peirsonii  (Abrams) Brummitt
Peirson's morning glory
Calystegia peirsonii
© 2011 Neal Kramer
Photos from
CalPhotos / Calflora
Calystegia peirsonii
© 2011 Neal Kramer
Calystegia peirsonii
© 2012 Anuja Parikh and Nathan Gale
Calystegia peirsonii, a dicot, is a perennial herb (rhizomatous) that is native to California, is endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Calystegia peirsonii
© 2011 Kristina Day
Genus: Calystegia
Communities: Shadscale Scrub, Chaparral, Foothill Woodland, Coastal Sage Scrub, Yellow Pine Forest
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Convolvulus peirsonii
More information about  Calystegia peirsonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).