Lilium philadelphicum grows to a height of approximately 30 to 90 centimeters. It produces red or orange blooms between June and August.
- Lilium philadelphicum var. andinum—western wood lily, native to Midwestern U.S., Great Plains, and Western U.S. regions. It is the floral emblem of Saskatchewan province in Canada, and is on the flag of Saskatchewan.
Cats are extremely sensitive to lily toxicity and ingestion is often fatal. Households and gardens that are visited by cats are strongly advised against keeping this plant or placing dried flowers where a cat may brush against them and become dusted with pollen that they then consume while cleaning. Suspected cases require urgent veterinary attention.
Rapid treatment with activated charcoal and/or induced vomiting can reduce the amount of toxin absorbed (this is time-sensitive so in some cases vets may advise doing it at home), and large amounts of fluid by IV can reduce damage to kidneys to increase the chances of survival.
Rare yellow form in Logan County, North Dakota, USA
- Kew World Checklist of Selected Plant Families
- Skinner, Mark W. (2002). "Lilium philadelphicum". In Flora of North America Editorial Committee. Flora of North America North of Mexico (FNA). 26. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- "Lilium philadelphicum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 24 May 2016.
- "Lilium philadelphicum". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
- "Plant detail: Lilium philadelphicum". Evergreen. 2008. Retrieved 2008-07-09.
- "Lilium philadelphicum". Native Plant Database. Lady Bird Johnson Wildflower Center, University of Texas at Austin.
- "Government House Gardens Showcase Western Red Lily". Government of Saskatchewan. 2005-07-21. Archived from the original on 2011-06-11. Retrieved 2008-07-09.
- "Saskatchewan's Provincial Flower". Government of Saskatchewan. Retrieved 2008-07-09., designated in 1941.
- "Saskatchewan". Government of Canada. 2013-08-20. Retrieved 2015-07-18.
- "Endangered Plants of North Carolina". North Carolina Natural. February 2000. Retrieved 2008-07-09.
- Frequently Asked Questions No Lilies For Cats.
- Fitzgerald, KT (2010). "Lily toxicity in the cat". Top Companion Anim Med. 25: 213–7. doi:10.1053/j.tcam.2010.09.006. PMID 21147474.
- Lilies Pet Poison Helpline.
- The Valentine bouquet that killed my cats: Mother's Day warning on lethal lilies Daily Mail.
- Lily Poisoning in Cats. Pet MD.
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