Allium serra is from the central coast ranges of California, found in grassy slopes, often under blue oaks (Quercus douglasii), blooming from March to May. It has pink flowers which become more papery as they age. Photo 1 shows an inflorescence blooming April 2005 in Bear Valley in Colusa County, California. Photos 2-5 show plants in habitat near Mt. Hamilton, Santa Clara County, California.
The photos below are of plants in cultivation. Photo 1 was taken by Mary Sue Ittner. Photos 3-4 were taken by Nhu Nguyen. Photo 4 shows the beautiful "herring bone" pattern of the bulb scale. This character is very important to identifying this and several other related species.