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NC Native Plant Society:
Plant Details

Allium keeverae [= Split from Allium cuthbertii]

Keever's Onion

Scientific Name:

Allium keeverae [= Split from Allium cuthbertii]

Genus:

Allium

Species Epithet:

keeverae

Common Name:

Keever's Onion

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Alliaceae (Onion Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

1-3 ft.

Bloom Color(s):

Pink

Light:

Sun - 6 or more hours of sun per day

Soil Moisture:

Dry

Bloom Time:

May, June

Growing Area:

Piedmont

Habitat Description:

Weakley 2015: “limited to a series of unusual ‘rich granitic’ domes in the Brushy Mountains of Alexander and Wilkes counties, NC. An NC endemic.

Leaf Arrangement:

Basal

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Suitable for home landscapes

State Rank:

S2: Imperiled (*Key)

Global Rank:

G2 - Imperiled (*Key)

State Status:

T: Threatened (*Key)

Notes:

More heat tolerant than Allium cernuum. Split from Allium cuthbertii, which is now considered not to be in NC.

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Links:

USDA PLANTS Database Record

NC Extension Gardener Plant Toolbox: https://plants.ces.ncsu.edu/plants/allium-cuthbertii/

Vascular Plants of NC: https://auth1.dpr.ncparks.gov/flora/species_account.php

700 Bird-friendly Plants for NC: https://nc.audubon.org/700 [the site lists Allium cuthbertii, but this should be update to Allium keeverae]



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