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
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

 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 collina ssp. oxyphylla
© 1997 Dean Wm. Taylor
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
Location Suitability

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.


Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 24, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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