arum lilly, calla lilly
Species commonly cultivated
Zantedeschia aethiopica (L.) Spreng. (tropics and South Africa)
Zantedeschia aethiopica is introduced in numerous countries worldwide.
Zantedeschia aethiopica is commonly a minor weed, only troublesome in irrigation ditches.
Perennial, rhizomatous. Leaves spiral or distichous in basal rosette, large (1-2 m long), sheathing; petiole elongate; leaf blade large, cordate, hastate, or sagittate; margins often undulate. Inflorescence a spadix subtended by spathe, on long peduncle; spathe large, showy, subcylindrical to funnel-shaped, white (Z. aethiopica), but variously colored in cultivated forms of this species; spadix yellow. Flowers unisexual, densely packed; perianth absent. Dispersal of berries by birds.
wet ground and shallow water or littoral zone
A very commonly cultivated genus of around 28 species and cultivars. Only Z. aethiopica is widely found outside of nursery situations.