Southern prickly ash, a tree with warts and prickles, is used to soothe toothaches, other ailments and said to be packed with essential oils. It is native to southeastern U.S.

A 1996 study by J M Bowen, R J Cole, D Bedell, and D Schabdach found that toothache tree (classified as Southern Prickly Ash tree) extracts do appear to exert their action on neuromuscular ...

Since picking prickly ash is laborious and takes a lot of time, the cost of labor has been on the rise in recent years, he said. Last year, the net income of Ma's family reached 30,000 yuan. He ...

The tree is also known as Pepperbark, Tickle Tongue, and Prickley Ash. It’s in the Rutaceae family, which means it’s kin to edible citrus fruits such as lime and lemon.