Source : Webster's Revised Unabridged Dictionary (1913)

Nectariferous \Nec`tar*if"er*ous\, a. [L. nectar nectar +
   -ferous: cf. F. nectarif[`e]re.] (Bot.)
   Secreting nectar; -- said of blossoms or their parts.

Source : WordNet®

nectariferous
     adj : possessing nectaries