Taxon  Report   1349 
Calystegia collina  (E. Greene) Brummitt  ssp. oxyphylla  Brummitt
Mount saint helena morning glory,  Mt. saint helena morning glory
Calystegia collina ssp. oxyphylla
© 2011 Vernon Smith
Click on a photo to see it bigger.
Calystegia collina ssp. oxyphylla
© 1997 Dean Wm. Taylor
Calystegia collina ssp. oxyphylla
© 2015 Zoya Akulova
Calystegia collina ssp. oxyphylla, a dicot, is a perennial herb (rhizomatous) that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 4.2 (limited distribution).   7th Edition  /  8th Edition

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Calystegia collina ssp. oxyphylla
© 2015 John Doyen
Genus: Calystegia
Parent Record Calystegia collina
AFFINITY to serpentine soil:   5.6 (strict endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Calystegia collina ssp. oxyphylla

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
More information about  Calystegia collina ssp. oxyphylla
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

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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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 23, 2016).

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