Allium acuminatum

(Taper-tip Onion)

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Allium acuminatum, FR503, Uncompahgre National Forest, Montrose Co. 3172

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Allium acuminatum, FR503, Uncompahgre National Forest, Montrose Co. 3177

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Allium acuminatum, FR503, Uncompahgre National Forest, Montrose Co. 3183

Scientific Name Allium acuminatum USDA PLANTS Symbol ALAC4
Common Name Taper-tip Onion ITIS Taxonomic Serial No. 42707
Family Amaryllidaceae (Amaryllis) SEINet
Reference
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Description Life zones and habitat: Foothills (5200 to 8500); dry, open areas on hillsides, often with conifers and sagebrush.
Plant: Erect perennial with leafless, greenish-brown stem (scape) 4 to 14 inches tall.
Leaves: Two to four very narrow basal leaves shorter than stem, withering before plant blooms.
Inflorescence: Loose umbel with 10 to 40 flowers; blossoms bell-shaped ~1/4-inch across with 6 pink to rose-purple or white tepals, unequal in length, tapering to a point and spreading to recurved at tip; 2 bracts, 3 to 7 veined beneath.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County