blackroot - pterocaulon pycnostachyum - is found statewide in florida in sunny upland habitats

anticoagulant aster family asteraceae backyard beautiful black blackroot blood thinner bloom blooming blossom butterfly garden closeup coumadin coumarin deciduous detail endemic flatwoods florida flower fox tail herb herbal knobby landscaped leaves macro natural nature naturopathy outdoor outdoors plant pterocaulon pycnostachyum root sandhill sandy soil season spiciform spike spring summer tuber upland habitat warfarin white wildlife found statewide sunny habitats erough bumpy texture rough