bulbil

1. A small bulb or bulblike structure in the place of a flower or in a leaf axil, as in a tiger lily.
2. A bulblet.

[French bulbille, diminutive of bulbe, bulb, from Latin bulbus. See bulb.]

A small bulblike structure, usually borne among the flowers or in the axil of a leaf but never at ground level like a true bulb.

The noun has one meaning:

Meaning #1: small bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers
  Synonym: bulblet