"Polygonaceae" . "Persicaria" . . . "Polygonoideae" . . "883886" . _:b76377499 . _:b76377499 "50080884" . "Persicaria sect. Cephalophilon" . _:b76377499 . . "50080884" . "Caryophyllales" . . . _:b76377499 . "Plantae" . . . _:b76377499 "TROPICOS id" . .