(Sphaeralcea bonariensis)
Sphaeralcea bonariensis ( marshmallow or white mallow ) is a species flowering plant shrub belonging to the family Malvaceae ; Native of Argentina , 1 Bolivia , Paraguay , Uruguay ; Of logging forests ( Celtis tala Gillet ex Planch. ), And expanded to fields of agriculture as important weeds . It haspink flowers , and reaches a height of 15 dm . There is a rust Puccinia malvacearum Bertero ex Mont. (= Puccinia sidae-rhombifoliae ) pathogen of this species.