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AGAVE AND YUCCA | CACTI | WILDFLOWERS

Allium Bigelovii, Bigelow's onion


Plants > Wildflowers > Amaryllidaceae > Allium Bigelovii
Bigelow's onion; Spherical inflorescence of allium bigelovii, in the Verde River Valley, Arizona
Spherical inflorescence of allium bigelovii, in the Verde River Valley, Arizona
Common names:
Bigelow's onion, New Mexico wild leek
Family:
Amaryllis (Amaryllidaceae)
Scientific name:
Allium bigelovii
Main flower color:
White
Range:
Southwest New Mexico and (less commonly) northwest and central Arizona
Height:
A few inches
Habitat:
Open, rocky hillsides; up to 5,500 feet
Leaves:
Basal; two per stem; sheathed only at ground level; up to 8 inches long
Season:
March to May
Pintrest
Characteristic features of allium bigelovii include stems with two leaves, leaves parting from the stem at the base, and flowers which have included (non-protruding) stamens, and three-lobed stigmas. Leaves are persistent, not withering at flowering time. The spherical inflorescence contains between 10 and 25 flowers, borne on purplish stalks (pedicels), less than one inch long. At the base of the cluster are two thin bracts, lanceolate to ovate in shape, with between 2 and 11 purplish veins.

The bell-shaped flowers are formed of six pointed, lance-shaped tepals, mostly colored white, but pink or reddish at the tip and along the midvein. The six stamens are short, white, and topped by purple anthers. Unlike some onion species, some of the flowers are not replaced by bulblets.




Three flower stems
Three flower stems
Bigelow's onion
Purple-white flowers
Group of flowers
Group of flowers
Flower cluster
Flower cluster
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