Allium yosemitense is a species of wild onion known by the common name Yosemite onion. It is endemic to the central Sierra Nevada of California, where it is known from only a few areas in the vicinity of Yosemite. This onion grows from a bulb two to three centimeters long, producing a stem up to about 23 centimeters in maximum height and two long, flat leaves which are usually a bit longer. The flower cluster bears up to 50 white or pink flowers, each on a pedicel which may be over 3 centimeters long.
Allium yosemitense
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