Calla palustris is a rhizomatous herbaceous perennial plant growing in bogs and ponds. The leaves are rounded to heart-shaped, up to 5 inches (12.5 cm) long and wide, on a up to 8 inches (20 cm) long petiole. The greenish-yellow inflorescence is produced on a spadix up to 2.4 inches (6 cm) long, enclosed in a white spathe. The fruit is a cluster of red berries, each berry containing several seeds.
Loch Lomond, Scotland