Allium dichlamydeum is a species of wild onion known by the common name coastal onion. It is endemic to California where it grows on sea cliffs on the coastline in the northern half of the state. The coastal onion grows from a brown or gray bulb one to one and a half centimeters wide. It has a stout naked green stem surrounded by 3 to 6 long onion leaves. Atop the thick stem is an flower cluster of five to 30 flowers. Each flower has six oval-shaped dull-pointed petals in shades of bright magenta to fuchsia and each flower is about a centimeter wide.
Allium dichlamydeum
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