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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 macropetalum (Largeflower onion)
Anderson, Wynn

Allium macropetalum

Allium macropetalum Rydb.

Largeflower Onion, Large-petal Onion, Desert Onion, Desert Onion Lily

Liliaceae (Lily Family)

Synonym(s):

USDA Symbol: ALMA4

USDA Native Status: L48 (N)

Large-petal or Desert Onion is a low, desert species with narrowly linear leaves and pink-striped, six-petaled flowers in a cluster at the top of a separate stem.

 

From the Image Gallery

16 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Flower scape up to about 8 inches tall.
Fruit: Seeds black.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Mar , Apr , May , Jun
Bloom Notes: Pale pink to almost white, with darker pink midveins.

Distribution

USA: AZ , CO , NM , TX , UT
Native Distribution: E. UT & w. CO, s. to AZ & TX
Native Habitat: Open deserts

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Rocky soils.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Tohono Chul Park, Inc. - Tucson, AZ

Bibliography

Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

Search More Titles in Bibliography

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-04-10
Research By: TWC Staff

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