Bidens heterosperma explained

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]

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.[3]

Notes and References

  1. http://swbiodiversity.org/seinet/taxa/index.php?taxon=1331 SEINet, Arizona Chapter, Bidens heterosperma A. Gray, Rocky Mountain beggarticks
  2. http://bonap.net/MapGallery/County/Bidens%20heterosperma.png Biota of North America Program 2014 county distribution map
  3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066229 Flora of North America, Bidens heterosperma A.Gray