Amaryllidaceae

Narrowleaf onion

Allium amplectens Torr.

Family: Amaryllidaceae
Genus: Allium

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Narrowleaf onion (Allium amplectens) — FlowerPhoto: Arvel Hernandez, CC BY 4.0, from iNaturalist

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Common names

By language (2)

English: Narrowleaf onion
Icelandic: Kaliforníulaukur

Synonyms

Allium acuminatum var. gracile Alph.Wood
Allium attenuatum Kellogg
Allium attenuifolium Kellogg
Allium attenuifolium var. monospermum (Jeps. ex Greene) Jeps.
Allium monospermum Jeps. ex Greene
Allium occidentale A.Gray
Allium reticulatum Benth.
Allium serratum S.Watson

Flowers

In flower: May to June (from 157 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: Arvel Hernandez, CC BY 4.0, from iNaturalist
FlowerPhoto: Arvel Hernandez, CC BY 4.0, from iNaturalist
FlowerPhoto: Gail A Baker, CC BY 4.0, from iNaturalist
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: davidbroadland, CC0, from iNaturalist
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: northern.residents, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Chris Fluit, CC BY 4.0, from iNaturalist
Photo: Danny Hayes, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Chris Fluit, CC BY 4.0, from iNaturalist
Photo: Daderot, CC0, from Wikimedia Commons
Photo: laurina manning, CC BY-SA 4.0, from Pl@ntNet via GBIF

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.