CALLA
- any southern African plant of the aroid genus Zantedeschia, esp Z. aethiopica, which has a white funnel-shaped spathe enclosing a yellow spadix
- an aroid plant, Calla palustris, that grows in wet places and has a white spathe enclosing a greenish spadix, and red berries
- related plant, Calla palustris, of cold marshes of Europe and North America, having heart-shaped leaves