Taxon  Report   11196    
Hosackia oblongifolia  Benth.  var. cuprea  (Greene) Brouillet
Copper-flowered bird's-foot trefoil
Hosackia oblongifolia var. cuprea
© 2018 Mary Merriman
Photos from
CalPhotos / Calflora
Hosackia oblongifolia var. cuprea, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.3 (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
Hosackia oblongifolia var. cuprea
© 2018 Mary Merriman
Family: FABACEAE  
Genus: Hosackia
Parent: Hosackia oblongifolia
Communities: Lodgepole Forest, Red Fir Forest, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: meadows, edges

Name Status:
Accepted by JEF + CNPS

Alternate Names:
ICPN + CNPS: Lotus oblongifolius var. cupreus
More information about  Hosackia oblongifolia var. cuprea
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 20, 2019).