"50080887" . "Persicaria sect. Echinocaulon" . _:b76394254 "50080887" . "Polygonoideae" . . _:b76394254 "TROPICOS id" . "Polygonaceae" . _:b76394254 . . . . _:b76394254 . "883756" . _:b76394254 . . . "Plantae" . . . "Caryophyllales" . . . "Persicaria" .