Bidens Pilosa And Bidens Alba
Bidens pilosa shepherd s needles spanish needles romerillo common beggar s tick hairy beggarticks cobbler s pegs.
Bidens pilosa and bidens alba. Bidens pilosa linnaeus forma radiata schultz bipontinus 1844. However in the tropics b. It is especially a problem in agriculture in the humid tropics in the central american lowland campbell et al. Capitula without ray flowers or with short rays up to 3 mm and involucral bracts numbering 7 10 vs.
Pilosa and the segregate species b. Alba under those circumstances. Bidens pilosa is the most widespread. Bidens alba is native to florida but can also be found in other tropical and subtropical regions in the americas usda nrcs 2019.
Bidens pilosa sub var. Radiata bidens pilosa linnaeus subvar. Radiata schultz bipontinus pitard in pitard proust iles canaries 226. Bidens alba is the third most common reliable source of nectar for honey bees.
Bidens pilosa is a perennial that grows everywhere here in florida. Bidens pilosa is considered native to central and south america and was introduced into north america usda nrcs 2019. Bidens alba many authorities and frankly most folks who are not authorities continue to consider bidens alba a separate species from bidens pilosa and the plants on this page would be b. Coreopsis leucanthema linnaeus 1755.
The flowers and young leaves are edible in salads. As of january 2012 the usda plants. With documented occurrence in 59 countries around the world.