Calflora
Taxon  Report   5973    
Orobanche corymbosa  (Rydb.) Ferris
Flat top broomrape,  Flat topped broom rape
Orobanche corymbosa
© 2009 James M. Andre
Photos from
CalPhotos / Calflora
Orobanche corymbosa
© 2005 Steve Matson
Orobanche corymbosa, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
also called Aphyllon corymbosum

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Orobanche corymbosa
© 2011 Aaron E. Sims
Family: OROBANCHACEAE  
Genus: Orobanche
Name Status:
Accepted by ICPN + PLANTS

ICPN accepted name:
Aphyllon corymbosum

Alternate Names:
ICPN: Orobanche californica var. corymbosa
More information about  Orobanche corymbosa
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (ORCO5)

Search the International Plants Names Index

Search efloras.org (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: https://www.calflora.org/   (Accessed: Nov 15, 2018).

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