neverwet
/ˈnɛvəwɛt/Chiefly US informal
noun
The golden-club, Orontium aquaticum (family Araceae), an aquatic plant of swamps and wetlands in the south-eastern U.S.
Origin
1920s; earliest use found in Proceedings of the Boston Society of Natural History. From never + wet, so called on account of its water-repellent leaves.