Synonyms
Hymenoxon; Furo(2',3':5,6)cyclohepta(1,2-c)pyran-2(3H)-one, decahydro-5,7-dihydroxy-4a,9-dimethyl-3-methylene-, (3aR,4aS,5R,7R,8aR,9R,10aR)-; Furo(2',3':5,6)cyclohepta(1,2-c)pyran-2(3H)-one, decahydro-5,7-dihydroxy-4a,9-dimethyl-3-methylene-, (3aR-(3a-alpha,4a-beta,5-alpha,7-beta,8a-alpha,9-alpha,10a-alpha))-; [ChemIDplus]
Sources/Uses
Toxic constituent of Hymenoxys odorata (bitterweed), Helenium hoopsii, and Baileya multiradiata (poisonous range plants); [HSDB]
Comments
Emergency treatment: "Plants- sesquiterpene lactones"; Sesquiterpene lactones are in many plants. They cause toxicity mainly in livestock that eat the plants. Human poisoning cases are extremely rare. Possible symptoms after ingestion include irritation of mucous membranes, dyspnea, pulmonary hemorrhage, tremors, seizures, abdominal pain, and liver injury. [HSDB] Sesquiterpene lactones are a common cause of allergic dermatitis in florists. See "Sesquiterpene lactones."