"rattlesnake weed." YourDictionary, n.d. Web. 06 December 2018. <https://www.yourdictionary.com/rattlesnake-weed>.
rattlesnake weed. (n.d.). Retrieved December 06th, 2018, from https://www.yourdictionary.com/rattlesnake-weed
Any of various plants thought to be effective against the venom of rattlesnakes, such as the North American hawkweed Hieracium venosum, or thought to resemble rattlesnakes, such as the betony Stachys floridana, having roots resembling rattles.