Taxon  Report   6112    
Pediomelum castoreum  (S. Watson) Rydb.
Beaver indian breadroot
Pediomelum castoreum
© 2005 James M. Andre
Photos from
CalPhotos / Calflora
Pediomelum castoreum
© 2011 Teague Embrey
Pediomelum castoreum
© 2013 Neal Kramer
Pediomelum castoreum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Pediomelum castoreum
© 2005 James M. Andre
Family: FABACEAE  
Genus: Pediomelum
Communities: Creosote Bush Scrub, Joshua Tree Woodland
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Psoralea castorea
More information about  Pediomelum castoreum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 20, 2019).