bulblet

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A small bulb, especially one attached to a mature bulb or an underground stem.
• noun A bulbil.

from The Century Dictionary.

• noun A little bulb; specifically, in botany, a small aërial bulb or bud with fleshy scales, growing in the axils of leaves, as in the tiger-lily, or taking the place of flower-buds, as in the common onion. Also bulbel, bulbil.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) A small bulb, either produced on a larger bulb, or on some aërial part of a plant, as in the axils of leaves in the tiger lily, or replacing the flowers in some kinds of onion.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun botany A small bulb, either produced on a larger bulb or on some aerial part of a plant.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun small bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers