Calla palustris (Water Arum) is a rhizomatous herbaceous perennial plant growing in bogs and ponds. Leaves are rounded to heart-shaped, up…
Calla is a genus of flowering plant in the family Araceae, containing the single species Calla palustris. It is native to cool temperate regions of the Northern Hemisphere, in central, eastern and northern Europe (France and Norway eastward), northern Asia and northern North America (Alaska, Canada, and northeastern contiguous United States).
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