Habitat and Range
The Wild Onion inhabits a variety of places in the Sierra. It mainly grows in open woods and gravely places as a smaller and more washed out looking onion. In moist habitats, the onion is more lush and vibrant. Allium spp grow up to 11,000 ft in all parts of the Sierra.
Physical Description
Wild Onion is easy to recognize once you have seen it growing. Many of the different species share the same distinguishing qualities, like the smell and taste. Wild Onions are perennials that sprout from a bulb every year and have 1-5 flat and thin (linear) or cylindrical basal leaves. Some species only have one leaf (main photo above). The plant generally has cylindrical stems. The inflorescence is an umbel with each flower arranged in a petal-like whorl. The perianth (term used to describe the individual flowers) has distinct segments of 6. The bulb ranges in size but has the unique smell and taste of onion.
CAUTION: Wild Onion and Death Camas frequently inhabit the same areas. Be positive about identification as Death Camas has a similar appearance and bulb. If the plant does not smell like onion, do NOT eat it. The consequence could be fatal.
Food Uses
The Wild Onion is completely edible. Allium spp have edible bulbs that are very similar in taste to the commercial onion or garlic They are not as large, but are arguably better in taste. Onions can be used to flavor nearly any meal and can be eaten raw or cooked in any way.
Medicinal Uses
Historically, the onion has been enlisted as a diuretic, an antiseptic for wounds, and an expectorant for a non-productive cough. Used frequently, onion has been proven to lower cholesterol.
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