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Allium perdulce, the Plains onion, is a plant species native to the central part of the United States and cultivated as an ornamental elsewhere. [1] It has been found in Texas, New Mexico, Oklahoma, Kansas, Nebraska, South Dakota, and one county in western Iowa (Woodbury County). [2] [3]
He placed Allium in a grouping he referred to as Hexandria monogynia (i.e. six stamens and one pistil) [9] containing 51 genera in all. [10] In 1763, Michel Adanson, who proposed the concept of families of plants, included Allium and related genera as a grouping within Liliaceae [11] as Section IV, Les Oignons (Onions), or Cepae in Latin. [12]
According to the Garden Guy, the Serendipity ornamental onion is ideal for Zones 4-8, and its fragrant purple flowers are pollinator magnets.
Bolting begins; in 10% of the plants leaves bent over 3. 70% of the expected shaft length and diameter reached 4. 48: 408: Leaves bent over in 50% of plants 3: 49: 409: Leaves dead, bulb top dry; dormancy 3. Growth complete; length and stem diameter typical for variety reached 4. 5: Inflorescence emergence 51: 501: Onion bulb begins to elongate ...
Allium platycaule grows from a gray bulb2 to 3 cm (3 ⁄ 4 to 1 + 1 ⁄ 4 in) wide. Scape is thin and strongly flattened, up to 25 cm (9 + 3 ⁄ 4 in) long but rarely more than 7 mm (1 ⁄ 4 in) across. It may be thicker along the midrib and much narrower along the sides. The long, flat leaves are sickle-shaped.
The umbels are some 8–12 cm (3.1–4.7 in) in diameter, relatively small compared to the tall stems, hence the description 'drumstick allium'. Individual flowers, of which there are many, are a typical allium shape, with a superior ovary and six tepals of a lilac to purple colour, around 2.5 to 5 cm long; white forms are known.
Allium hollandicum, the Persian onion [1] [2] or Dutch garlic, [3] is a species of flowering plant native to Iran and Kyrgyzstan [4] but widely cultivated as an ornamental because of its umbels of attractive purple flowers. [5] [6] [7] It is reportedly naturalized in Saint Louis County, Minnesota. [8] [9] [10]
Allium sanbornii is a North American species of wild onion known by the common name Sanborn's onion. [3] It is native to northern California and southwestern Oregon. [4] It grows in the serpentine soils of the southern Cascade Range and northern Sierra Nevada foothills. [5] [6] Allium sanbornii produces a reddish-brown bulb up to about 2.5 cm ...