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Each flower has six stamens each as long or slightly longer than the tepals. [7] The bracts on the back of the flowers may be green or white and are 5–25 millimeters long. [5] Flowering may comence in April, May, June, or as late as July in its native habitat. [11] [12] The fruit is a capsule 8–20 millimeters long and 4–7 millimeters wide ...
Allium validum is a species of flowering plant commonly called swamp onion, wild onion, Pacific onion, or Pacific mountain onion. It is native to the Cascade Range , the Sierra Nevada , the Rocky Mountains , and other high-elevation regions in California , Oregon , Washington , Nevada , Idaho and British Columbia .
Allium vineale (wild garlic, onion grass, crow garlic or stag's garlic) is a perennial, bulb-forming species of wild onion, native to Europe, northwestern Africa and the Middle East. [2] The species was introduced in Australia and North America , where it has become an Invasive species .
Allium macropetalum, the desert onion, is a species of wild onion native to the desert regions of southwestern United States and northwestern Mexico. It is known from desert plains and hills in Sonora, Arizona, Utah, Colorado, New Mexico, and Texas, [3] at elevations up to 2500 m. [4] [5] Allium macropetalum forms egg-shaped bulbs up to 2.5 cm ...
[4] [5] The leaves die back as the rounded umbel of pink to purple flowers [4] forms at the end of the scape in the summer. The umbel is approximately 5–8 centimetres (2–3 in) across, and each of the tiny flowers is slightly longer than 0.6 centimetres (.25 in), with 3 petals and 3 sepals that flare outward. [ 5 ]
The twincrest onion is a perennial at altitudes ranging from 2000 to 2900 meters. It grows to between ten and forty cm high. The onion bulbs are round and egg-shaped. The bulbs have a light tint and when cut, have a powerful odor. The flower heads are about 10–15 mm in length. The flowers are varying shades of purple or pink.
Allium atrorubens is a species of wild onion known by the common name dark red onion.This plant is native to the southwestern United States where it grows in the sandy soils of the Mojave Desert, the Great Basin and higher-elevation deserts in Nevada, eastern California (San Bernardino, Kern, Mono, Inyo and Lassen Counties) southwestern Utah (Kane, Millard and Beaver Counties), northwestern ...
Similarly to onions when chopped, if Allium siculum is crushed it gives off chemicals that make the eyes water, [citation needed] which are termed 'lachrymatory agents'. [ 20 ] [ 21 ] The lachrymatory agent ( Z )-butanethial S -oxide, along with several 1-butenyl thiosulfinates are detected by mass spectrometry using a DART ion source .