umbelliferous

from WordNet (r) 3.0 (2006)

umbelliferous
    adj 1: relating to or belonging to plants of the family
           Umbelliferae

from The Collaborative International Dictionary of English v.0.48

Umbelliferous \Um`bel*lif"er*ous\, a. [Umbel + -ferous: cf. F.
   ombellif[`e]re.] (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]