Lasthenia gracilis, the needle goldfields, is an annual plant with yellow flowers that grows in California and Arizona in southwestern United States, and Baja California in northwestern Mexico.[1] [2] [3] It is in the genus Lasthenia of the family Asteraceae.[3]
Lasthenia gracilis is a generally hairy herb, up to 400mm tall, branched or unbranched. The leaf is 8mm70mm, linear to oblanceolate, without teeth and more or less hairy. The involucre is 5mm10mm. The flower head has 6 to 13 ray flowers 5mm10mm long. The disk flowers are numerous.[2]