[1] : The Collaborative International Dictionary of English v.0.48

umbelliferous \um`bellif"erous\, a. umbel + -ferous: cf. f.
   ombellif`ere. bot.
   a producing umbels.
   b of or pertaining to a natural order umbelliferae of
       plants, of which the parsley, carrot, parsnip, and fennel
       are well-known examples.
       1913 webster
see also:
umbelliferae 

[2] : WordNet (r) 2.0

umbelliferous
     adj : relating to or belonging to plants of the family
           umbelliferae

Umbelliferous >> U Words
Umbelliferous, definition of term: Umbelliferous
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