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The tree onion (Allium × proliferum) is a perennial plant similar to the common onion (A. cepa), but with a cluster of bulblets where a normal onion would have flowers. Tree onions are also known as topsetting onions, walking onions, or Egyptian onions. Genomic evidence has conclusively shown that they are a diploid hybrid of the shallot and ...
Allium flavum (yellow) and Allium carinatum (purple) Allium is a genus of monocotyledonous flowering plants with hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. It is one of about 57 genera of flowering plants with more than 500 species. [4] It is by far the largest genus in the Amaryllidaceae ...
Allium stellatum is a perennial forming a bulb underground. An erect, leafless scape up to 30–60 centimetres (1–2 ft) tall arises from grass-like basal leaves that are up to 30 centimetres (1 ft) long.
The onion is a biennial plant but is usually grown as an annual. Modern varieties typically grow to a height of 15 to 45 cm (6 to 18 in). The leaves are yellowish- to bluish green and grow alternately in a flattened, fan-shaped swathe. They are fleshy, hollow, and cylindrical, with one flattened side.
Bombus vancouverensis feeding on Allium cernuum. The species has been reported from much of the United States, Canada and Mexico including in the Appalachian Mountains from Alabama to New York State, the Great Lakes Region, the Ohio and Tennessee River Valleys, the Ozarks of Arkansas and Missouri, and the Rocky and Cascade Mountains of the West, from Mexico to Washington.
Allium canadense, the Canada onion, Canadian garlic, wild garlic, meadow garlic and wild onion[6] is a perennial plant native to eastern North America [a] from Texas to Florida to New Brunswick to Montana. The species is also cultivated in other regions as an ornamental and as a garden culinary herb. [7]
Allium triquetrum is a bulbous flowering plant in the genus Allium native to the Mediterranean basin. It is known in English as three-cornered leek or three-cornered garlic, in Australia as angled onion, [4] and in New Zealand as onion weed. [5] Both the English name and the specific epithet triquetrum refer to the three-cornered shape of the ...
The dusky onion, Allium campanulatum, grows from a gray-brown bulb one to two centimeters wide which may extend tiny rhizomes and produce small daughter bulblets. It rises on a stout stem and has usually two long, thin leaves that wither before the flowers bloom. On top of the stem is an inflorescence of 10 to 50 flowers.