Desert lupine (also known as arroyo lupine or Coulter's lupine) is found across most of Southern Arizona at low elevations under 3000'. This amazing member of the pea family has a cool adaptation to direct bees to the best flowers: once a new flower opens and a bee comes in contact with it while collecting the pollen, the yellow spot turns red, letting any pollinators know that that flower has already been visited. These lupines were found growing on the side of the road outside of Sells, AZ in Pima County.
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