Taxon  Report   10953    
Leptosyne hamiltonii  Elmer
Mt. hamilton coreopsis
Leptosyne hamiltonii
© 1994 Dean Wm. Taylor
Photos from
CalPhotos / Calflora
Leptosyne hamiltonii, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
also called Coreopsis hamiltonii
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
Leptosyne hamiltonii
© 2006 Dean Wm. Taylor
Genus: Leptosyne
Communities: Foothill Woodland
Name Status:
Accepted by JEF + CNPS

PLANTS accepted name:
Coreopsis hamiltonii

Alternate Names:
ICPN + CNPS: Coreopsis hamiltonii
More information about  Leptosyne hamiltonii
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


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 16, 2019).