Asclepias tuberosa

Từ điển WordNet v3.1 - WordNet Dictionary

noun

erect perennial of eastern and southern United States having showy orange flowers
• Syn:
butterfly weed, orange milkweed, chigger flower, chiggerflower, pleurisy root,
tuber root, Indian paintbrush
• Hypernyms:
milkweed, silkweed