Definitions for "Bract"
A leaf, usually smaller than the true leaves of a plant, from the axil of which a flower stalk arises.
Any modified leaf, or scale, on a flower stalk or at the base of a flower.
A small leaf-like organ from which the flower arises and which may or not be also a bracteole.
1) Encyclopaedia Britannica 2002 2) De Agostini -
Keywords:  substructure
Keywords:  bud
Bracteole Bud