The Collaborative International Dictionary of English v.0.48:

Semifloret \Sem"i*flo`ret\, n. (Bot.)
   See Semifloscule.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Semifloscule \Sem"i*flos`cule\, n. (Bot.)
   A floscule, or florest, with its corolla prolonged into a
   strap-shaped petal; -- called also semifloret.
   [1913 Webster]