liguliflorous

from The Collaborative International Dictionary of English v.0.48

Liguliflorous \Lig`u*li*flo"rous\
   (l[i^]g`[-u]*l[i^]*fl[=o]"r[u^]s), a. [Ligule + L. flos,
   floris, a flower.] (Bot.)
   Bearing only ligulate flowers; -- said of a large suborder of
   composite plants, such as the dandelion, lettuce, hawkweed,
   etc.
   [1913 Webster]