mad-dog weed(n = noun.plant) blue pimpernel, blue skullcap, mad-dog skullcap, scutellaria lateriflora - an American mint that yields a resinous exudate used especially formerly as an antispasmodic;
is a kind of herb, herbaceous plant
An American mint (
ague weed, alligator weed, butterfly weed, cancer weed, consumption weed, crazy weed, devil's weed, dill weed, dyer's weed, french weed, ghost weed, horsefly weed, jamestown weed, jimson weed, joe-pye weed, klammath weed, mad-dog skullcap, orchilla weed, pickerel weed, pineapple weed, polecat weed, rattle weed, rattlesnake weed, rheumatism weed, scorpion weed, spotted joe-pye weed, stemless golden weed, stinking weed, styptic weed, trumpet weed, turpentine camphor weed, turpentine weed, weed, weed killer, weed out