|var. congdonii (herbarium specimen)|
Allium sanbornii is a species of wild onion known by the common name Sanborn's onion. It is native to northernCalifornia and southwestern Oregon where it grows in the serpentine soils of the southern Cascade Range and northern Sierra Nevada foothills.
Allium sanbornii grows from a reddish brown bulb up to about 2.5 centimeters long. It produces a scape up to 60 centimeters long plus a single cylindrical leaf which is about the same length. The umbel contains as many as 150 small flowers, each with tepals less than a centimeter long, pink to white with darker red midveins. Anthers are yellow or purple; pollen yellow or white.
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