1) Plant organ 2) Possessing nectaries 3) Producing nectar 
having one or more nectaries
producing nectar
• (a.) Secreting nectar; -- said of blossoms or their parts. • (a.) Secreting nectar; -- said of blossoms or their parts.
Bearing nectar -secreting glands.
Nec`tar·if'er·ous adjective [ Latin nectar nectar + -ferous : confer French nectarifère .] (Botany) Secreting nectar; -- said of blossoms or their parts. 
Nectar-bearing.
[adj] - possessing nectaries
nectariferous Producing nectar.
adjective possessing nectaries
producing nectar.