image of beautiful wild poisonous white flower called calla palustris in spring season

acid alismatales angiosperms araceae arum beautiful bloom bog bogarum bogs botany caladium calla called calloideae cluster danger flower garden green heartshaped image leaves marsh marshcalla monocots nature oxalic palustris park plant plantae poison poisonous ponds seashore season seeds spring texture toxic vegetation waterarum white wild yellow