Taxon  Report   2675 
Delphinium trolliifolium  A. Gray
Columbian larkspur,  Cow poison
Delphinium trolliifolium
© 2005 Jerry Murray
More photos from
CalPhotos / Calflora
Delphinium trolliifolium
© 2005 Jerry Murray
Delphinium trolliifolium
© 2010 Aaron Arthur
Delphinium trolliifolium, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Delphinium trolliifolium
© 2006 Matt Below
Genus: Delphinium
Mixed Evergreen Forest
Toxicity: MAJOR   [California Poison Control System]    
Name Status:
Accepted by JEF + PLANTS + JM93
More information about  Delphinium trolliifolium
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Sep 22, 2018).

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