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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Allium bisceptrum

Allium bisceptrum S. Watson

Twincrest Onion

Liliaceae (Lily family)


USDA Symbol: ALBI2

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Scape and leaves up to about 1 foot tall.
Flower: Umbel with 15-40 flowers.

Bloom Information

Bloom Color: White , Pink , Violet
Bloom Time: May , Jun , Jul


USA: AZ , CA , ID , NM , NV , OR , UT

National Wetland Indicator Status

Status: FACU FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Allium bisceptrum in USDA Plants
FNA: Find Allium bisceptrum in the Flora of North America (if available)
Google: Search Google for Allium bisceptrum


Record Modified: 2019-10-21
Research By: CBR

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