<unk>  L. (1753), the milkweeds, is an American genus of herbaceous perennial, dicotyledonous plants  that contains over 140 known species. It previously belonged to the family<unk> aceae, but this is now classified as the subfamily<unk> oideae of the dogbane family Apocynaceae.
Milkweed is named for its milky sap, which consists of a latex containing alkaloids and several other complex compounds including cardenolides. Some species are known to be toxic.
Carl Linnaeus named the genus after<unk> , the Greek god of healing.
Asclepias
Amelia 
Chalicosis
Phlegmon
Linitis plastica ct
Presbycusis
Blister
Choana