Calflora
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
© 2007 Mary Winter
Plectritis macrocera
© 2007 Neal Kramer
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 + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Plectritis macrocera
© 2009 Keir Morse
Family: VALERIANACEAE  
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 PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (PLMA4)

Search the International Plants Names Index

Search efloras.org (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 20, 2018).

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