Bidens heterosperma, the Rocky Mountain beggarticks,[1] is a North American species of flowering plant in the family Asteraceae. It is native to northwestern and north-central Mexico (Baja California, Chihuahua, Sinaloa, Sonora) and the southeastern United States (Colorado, New Mexico, Arizona).[2][3]

Bidens heterosperma is an annual herb up to 60 cm (2 feet) tall. It usually produces flower heads one at a time, each containing both yellow disc florets and yellow ray florets. The species usually grows in wet seeps on mountain slopes.[2]

References

  1. ^ SEINet, Arizona Chapter, Bidens heterosperma A. Gray, Rocky Mountain beggarticks
  2. ^ a b Flora of North America, Bidens heterosperma A.Gray
  3. ^ Biota of North America Program 2014 county distribution map