Taxon  Report   89    
Aconitum columbianum  Nutt.  var. howellii  (A. Nelson & J. F. Macbr.) C. L. Hitchc.  
(no longer an active name)
Howell's monkshood
Aconitum columbianum var. howellii
© 2010 Keir Morse
Photos from
CalPhotos / Calflora
Aconitum columbianum var. howellii, a dicot, is a perennial herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Aconitum columbianum var. howellii
© 2010 Keir Morse
Communities: wetland-riparian

Toxicity: MAJOR

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Name Status:
ICPN + PLANTS accepted name:
Aconitum columbianum ssp. viviparum

NOTE: Aconitum columbianum var. howellii is no longer an active name.
More information about  Aconitum columbianum var. howellii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images

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 16, 2019).