Calflora
Taxon  Report   9661    
Allium bisceptrum  S. Watson
Twincrest onion
Allium bisceptrum
© 2009 Ron Wolf
Photos from
CalPhotos / Calflora
Allium bisceptrum
© 2011 Ron Wolf
Allium bisceptrum
© 2009 Barry Breckling
Allium bisceptrum, a monocot, is a perennial herb (bulb) 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
Allium bisceptrum
© 2009 Ron Wolf
Family: ALLIACEAE  
Genus: Allium
Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, wetland-riparian

Toxicity: MINOR

Wetlands:
Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands

Habitat: streambanks, meadows

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Allium bisceptrum var. bisceptrum
More information about  Allium bisceptrum
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

USDA PLANTS Profile (ALBI2)

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: Dec 13, 2018).

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