Sickle-leaved Onion
      Allium falcifolium
More than
      forty five species of Onion are native to California, and at
      least ten species are in the Bay Area. Sickle-leafed onion is
      easy to reognise by the dark purple or white flowers close to
      the ground, and the flat leaves curved like a sickle. It grows
      in open rocky areas usually influenced by serpentine. Crater
      onion (A. cratericola) is a similar but a rare species in the
      Bay Area, with pale to rose-pink flowers and straight flat leaves.
      Blooms March to April
 
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