ragweed

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
• Syn:
ambrosia, bitterweed
• Hypernyms:
weed
• Hyponyms:
common ragweed, Ambrosia artemisiifolia, great ragweed, Ambrosia trifida, western ragweed,
perennial ragweed, Ambrosia psilostachya
• Member Holonyms:
genus Ambrosia
2. widespread European weed having yellow daisylike flowers;
sometimes an obnoxious weed and toxic to cattle if consumed in quantity
• Syn:
ragwort, tansy ragwort, benweed, Senecio jacobaea
• Hypernyms:
weed
• Member Holonyms:
Senecio, genus Senecio

• Từ đồng nghĩa / Synonyms:
  ambrosia, bitterweed, ragwort, tansy ragwort, benweed, Senecio jacobaea