Taxon  Report   4305 
Hymenoxys odorata  DC.
Bitter rubberweed,  Fragrant bitter weed
Hymenoxys odorata
© 2015 Richard Spellenberg
CalPhotos: click on a
photo to see it bigger
Hymenoxys odorata
© 2015 Richard Spellenberg
Hymenoxys odorata
© 2012 James M. Andre
Hymenoxys odorata, a dicot, is an annual herb that is native to California and is also found elsewhere in North America and beyond.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 2B.1 (rare, threatened, or endangered in CA; common elsewhere).   7th Edition  /  8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Hymenoxys odorata
© 2015 Richard Spellenberg
Family: ASTERACEAE  
Genus: Hymenoxys
Wetlands:Occurs in wetlands in another region, but occurs almost always under natural conditions in non wetlands in California [U.S. Fish & Wildlife Service.]
Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Picradenia odorata
More information about  Hymenoxys odorata
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
website references from Google

Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (HYOD)

Original Publication citation (ITIS)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: May 01, 2016).

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