Taxon  Report   338 
Amsonia tomentosa  Torrey & Fremont
Gray amsonia,  Woolly amsonia, Woolly bluestar
Amsonia tomentosa
© 2010 Neal Kramer
Click on a photo to see it bigger.
Amsonia tomentosa
© 2010 Neal Kramer
Amsonia tomentosa
© 2004 James M. Andre
Amsonia tomentosa, a dicot, is a perennial herb that is native to California and 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
Amsonia tomentosa
© 2006 Heath McAllister
Genus: Amsonia
Creosote Bush Scrub, Pinyon-Juniper Woodland, Joshua Tree Woodland
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

ICPN: Amsonia brevifolia
More information about  Amsonia tomentosa
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 24, 2016).

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