Why are rhubarb leaves poisonous, and what is Rhubarb related too?

Answer 1

The article cited below says: "The blade or green leaves of the plant are the part that is poisonous. They contain high concentrations of oxalic acid crystals which can cause serious problems when eaten. These crystals can cause the tongue and throat to swell, preventing breathing ."

It also says that rhubarb is in the buckwheat family. Apparently there are a lot of plants that resemble rhubarb that are not related to it.

Answer 2

vegetation interior the Solanaceae or deadly night coloration kinfolk whose leaves should not be eaten are tomatoes, potatoes, chili peppers and aubergines. All incorporate alkaloid poisons of their leaves. With potatoes and tomatoes no area it incredibly is green could desire to be eaten. Carrot tops additionally incorporate alkaloids and should no longer be eaten, exceptionally no longer uncooked. Rhubarb leaves incorporate oxalic acid and are exceptionally poisonous. Horseradish leaves are poisonous. Apple pips are poisonous as they incorporate cyanide. Apricot kernels may additionally kill if eaten.