Taxon  Report   1369 
Calystegia peirsonii  (Abrams) Brummitt
Peirson's morning glory
Calystegia peirsonii
© 2011 Kristina Day
Click on a photo to see it bigger.
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 and is endemic (limited) to California.
CNPS Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Calystegia peirsonii
© 2011 Neal Kramer
Genus: Calystegia
Shadscale Scrub, Chaparral, Foothill Woodland, Coastal Sage Scrub, Yellow Pine Forest
Distribution by County 

Add an Observation of  Calystegia peirsonii

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

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

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 22, 2018).

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