Wild aster having grayish leafy stems and flower heads with narrow pale lavender or violet rayes,of rocky desert slopes California to Arizona and Utah.
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美
- 一种野生紫苑,头状花序,有淡紫色或紫罗兰色边花,生长在加利福尼亚至亚利桑麻和犹他州的多岩石的沙坡上。