Amaryllidaceae

Largeflower onion

Allium macropetalum Rydb.

Family: Amaryllidaceae
Genus: Allium

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Largeflower onion: Large-flower onion (Allium macropetalum) or Prairie onion, Textile onion (Allium textile), Lily family (Liliaceae). Windows Trail, Arches Natl. Park, Utah. The — Photo: Andrey Zharkikh from Salt Lake City, USA, CC BY 2.0, from Wikimedia Commons

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Common names

By language (1)

English: Largeflower onion, Desert onion

Synonyms

Allium deserticola (M.E.Jones) Wooton & Standl.
Allium reticulatum var. deserticola M.E.Jones

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

Photo: Andrey Zharkikh from Salt Lake City, USA, CC BY 2.0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
Photo: Sokoloff PC, Murray DA, McBeth SR.M, Irvine MG, Rupert SM, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons

More in Allium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.