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Tuesday, 4 December 2012

Calla Lilies

Zantedeschia aethiopica (common names, Calla lily, Arum lily, Varkoor, an Afrikaans name meaning pig's ear); syn. Calla aethiopicaL., Richardia africana Kunth, Richardia aethiopica (L.) Spreng., Colocasia aethiopica (L.) Spreng. ex Link) is a species in the familyAraceae, native to southern Africa in Lesotho, South Africa, and Swaziland. It is a rhizomatous herbaceous perennial plant, evergreen where rainfall and temperatures are adequate, deciduous where there is a dry season. Its preferred habitat is in streams and ponds or on the banks. It grows to 0.6–1 m (2–3 ft) tall, with large clumps of broad, arrow shaped dark green leaves up to 45 cm (18 in) long. The Inflorescences are large, produced in spring, summer and autumn, with a pure white spathe up to 25 cm (10 in) and a yellow spadixup to 90 mm (3½ in) long. Zantedeschia contains calcium oxalate, and ingestion of the raw plant may cause a severe burning sensation and swelling of lips, tongue, and throat; stomach pain and diarrhea may occur.