Calflora
Taxon  Report   6870    
Prenanthella exigua  (A. Gray) Rydb.
Bright white,  Brightwhite, Thorny skeleton plant
Prenanthella exigua
© 2010 Neal Kramer
Photos from
CalPhotos / Calflora
Prenanthella exigua
© 2008 Steve Matson
Prenanthella exigua
© 2008 Steve Matson
Prenanthella exigua, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Prenanthella exigua
© 2009 Aaron Schusteff
Family: ASTERACEAE  
Genus: Prenanthella
Communities: Creosote Bush Scrub, Joshua Tree Woodland, Pinyon-Juniper Woodland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Lygodesmia exigua
More information about  Prenanthella exigua
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 (PREX)

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 14, 2018).

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