Taxon  Report   6643    
Plectritis macrocera  Torr. & A. Gray
Long horn plectritis,  Longhorn plectritis, White plectritis
Plectritis macrocera
© 2009 Keir Morse
Photos from
CalPhotos / Calflora
Plectritis macrocera
© 2009 Keir Morse
Plectritis macrocera
© 2007 Mary Winter
Plectritis macrocera, 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)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Plectritis macrocera
© 2017 David popp
Genus: Plectritis
Communities: Foothill Woodland, Northern Oak Woodland, Southern Oak Woodland, Yellow Pine Forest

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Plectritis glabra
ICPN: Plectritis macrocera ssp. grayi
ICPN: Plectritis macrocera ssp. macrocera
More information about  Plectritis macrocera
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

ITIS Original Publication citation


Search the International Plants Names Index

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).