Calflora
Taxon  Report   2210    
Clarkia rhomboidea  Douglas
Diamond clarkia,  Diamond fairyfan, Diamond petaled clarkia, Rhomboid farewell to spring, Tongue clarkia
Clarkia rhomboidea
© 2018 Chico Hiking Association
Photos from
CalPhotos / Calflora
Clarkia rhomboidea
© 2005 Chris Wagner, SBNF
Clarkia rhomboidea
© 2006 Steve Matson
Clarkia rhomboidea, 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
Clarkia rhomboidea
© 2009 Todd A. Hamilton
Family: ONAGRACEAE  
Genus: Clarkia
Communities: Red Fir Forest, Yellow Pine Forest, Foothill Woodland, Northern Oak Woodland, Chaparral

Habitat: slopes

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Phaeostoma atropurpureum
More information about  Clarkia rhomboidea
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 (CLRH)

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.