Noun silphium has 1 sense
  1. Silphium, genus Silphium - tall North American perennial herbs
    --1 is a kind of asterid dicot genus
    --1 is a member of
     Compositae, family Compositae, Asteraceae, family Asteraceae, aster family
    --1 has members: rosinweed, Silphium laciniatum
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