butterfly weed(n = noun.plant) asclepias tuberosa, chigger flower, chiggerflower, indian paintbrush, orange milkweed, pleurisy root, tuber root - erect perennial of eastern and southern United States having showy orange flowers;
is a kind of milkweed, silkweed

ague weed, alligator weed, brush-footed butterfly, butterfly, butterfly bush, butterfly collector, butterfly effect, butterfly fish, butterfly flower, butterfly nut, butterfly orchid, butterfly orchis, butterfly pea, butterfly plant, butterfly ray, butterfly stroke, butterfly valve, cabbage butterfly, cancer weed, comma butterfly, consumption weed, crazy weed, danaid butterfly, devil's weed, dill weed, dyer's weed, emperor butterfly, four-footed butterfly, french weed, ghost weed, greater butterfly orchid, hairstreak butterfly, horsefly weed, jamestown weed, jimson weed, joe-pye weed, klammath weed, lesser butterfly orchid, lycaenid butterfly, mad-dog weed, milkweed butterfly, monarch butterfly, mourning cloak butterfly, nymphalid butterfly, orchilla weed, peacock butterfly, pickerel weed, pierid butterfly, pineapple weed, polecat weed, rattle weed, rattlesnake weed, rheumatism weed, ringlet butterfly, scorpion weed, sea butterfly, southern cabbage butterfly, spotted joe-pye weed, stemless golden weed, stinking weed, styptic weed, sulfur butterfly, sulphur butterfly, tortoiseshell butterfly, troilus butterfly, trumpet weed, turpentine camphor weed, turpentine weed, weed, weed killer, weed out