Source : Webster's Revised Unabridged Dictionary (1913)

Sporangiophore \Spo*ran"gi*o*phore\, n. [Sporangium + Gr. ? to
   bear.] (Bot.)
   The axis or receptacle in certain ferns (as {Trichomanes}),
   which bears the sporangia.

Source : WordNet®

sporangiophore
     n : stalk bearing one or more sporangia