While true lily species are numerous, there are also many plants with lily in their name that are not true lilies, such as calla lily, lily of the valley among others. Although you specifically asked about human toxicity, some lily species are highly toxic to cats, which can cause acute renal failure. Arum lilies, Zantedeschia, have large, glossy foliage which, in late spring and early summer, is complemented by large, white, hood-shaped blooms. Known Hazards: Many plants in this family are poisonous raw, due to the presence of calcium oxylate crystals. Infructescence with ripe berries, common arum (Arum maculatum), Switzerland. If this happens, your cat should be under close veterinary observation. Flowers consist of a white to creamy-white spathe, and a central golden yellow spike that is shorter than the spathe. Ingestion of the plant may be fatal. Arum lily. It has now naturalized in a number of counties in Western Washington and appears to be spreading more rapidly as additional infestations are being discovered. Home > Poisonous plants > Herb > Arum lily (Zantedeschia aethiopica) Arum lily (Zantedeschia aethiopica) Cultivated as an ornamental, this herb can grow up to 1m tall. Arum lily, Florist’s calla, Pig lily, Garden calla, Richardia aethiopica, Richardia africana, Trumpet lily, White arum. While true lily species are numerous, there are also many plants with lily in their name that are not true lilies, such as calla lily, lily of the valley among others. Lilies in the “true lily” and “daylily” families are very dangerous for cats. The lily is one of the more poisonous types of flower, causing serious life-threatening symptoms within hours of consumption. In your garden, remove any lilies that may have already been planted and replace them with more cat-friendly plants or flowers. In wet areas the plant is green year-round. Infested sites should be checked weekly to stay on top of any new sprouts. Lords and ladies or Arum lily, Arum maculatum, poisonous green and orange berries. From the time of first exposure to the development of symptoms, six to twelve hours may pass. Arum lily causes distinct symptoms in poisoned cats: As your cat goes into renal failure, these symptoms develop: In the late stages of arum lily poisoning, the calcium oxalate leads to permanent liver and kidney damage. All parts of the plant are poisonous; the juice is an irritant to the skin and mouth which causes arum species in general to be avoided by grazing species. Depending on the lily species, your cat can be poisoned by calcium oxalate crystals or proteinase. Your cat will undergo blood draws, which allow the vet to identify exactly what has poisoned your cat. They’re perfect for growing beside water, in shallow pond margins or a bog garden, where they … arum lily (Zantedeschia aethiopica) has green leaves and showy white inflorescences with a bright yellow flower spike in the centre. This plant has medium severity poison characteristics. may collect a share of sales or other compensation from the links on this page. Toxicity Class (third column in table below). First, you will see its dark green, waxy leaves with white veins. Although you specifically asked about human toxicity, some lily species are highly toxic to cats, which can cause acute renal failure. If growing Arum lilies from seed, then it is best to start off indoors. This video will show you how to tell the difference Updated Jan 10, 2019; Posted Nov 09, 2014 . Customer Service October 30, 2019 at 12:15 pm # Thanks for your comment. Evergreen, clump-forming tuberous herb (<1.5 m tall), with new tubers arising from shoots on the rootstock. Family: Araceae. This profile of Italian arum is another in a series on invasive plants from the City Green blog by Portland's Bureau of Environmental Services. Calla lilies or arum lilies (Zantedeschia aethiopica) is a plant species in Araceae native to Swaziland, Lesotho, and South Africa.While the name may suggest otherwise, this perennial, herbaceous evergreen flowering plant that grows from rhizomes isn’t a true lily as it doesn’t belong to the lily … 'Black Calla Lily' is a flowering perennial in the arum family that is native to eastern Mediterranean areas. Arum Lily.