Noun heracleum has 1 sense
  1. Heracleum, genus Heracleum - widely distributed genus of plants with usually thick rootstocks and large umbels of white flowers
    --1 is a kind of rosid dicot genus
    --1 is a member of
     Umbelliferae, family Umbelliferae, Apiaceae, family Apiaceae, carrot family
    --1 has members: cow parsnip, hogweed, Heracleum sphondylium
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