Ontario Wildflowers website

Water Arum
Calla palustris

Water Arum (Calla palustris) Other common names: Wild Calla

French names: Calla des marais

Family: Arum Family (Araceae)

Flowers: Summer;  White;  Irregular flowers

Habitat: Wet Areas

Grows in Sun/Shade: Sun

Books: Newcomb's Wildflower Guide: 20   

Native/Non-native: Native

Origin and Meaning of Names:
 Scientific Name: palustris: of swamps, marshes


Photographs: 85 photographs available, of which 10 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Water Arum (Calla palustris) flower head

Water Arum in bloom.

Water Arum (Calla palustris) flower head

The large white "petal" is not actually a petal at all. It is the sheath that protects the flower head before it opens.

Water Arum (Calla palustris) flowers

The actual flowers of Water Arum are tiny.

Water Arum (Calla palustris) flower bud

Flower bud inside an expanding sheath.

Water Arum (Calla palustris) leaves

Water Arum leaves.

Water Arum (Calla palustris) leaves

Water Arum (Calla palustris) leaves

Water Arum (Calla palustris) leaves

Water Arum (Calla palustris) seed head

Water Arum seed head.

Water Arum (Calla palustris) seed head

Seed head broken apart to look inside.