bracte-, bract-

(Latin: thin plate)

bract
1. A leaflike or scalelike plant part, usually small, sometimes showy or brightly colored, and located just below a flower, a flower stalk, or an inflorescence.
2. A modified leaf that arises from the stem at the point where the flower or flower cluster develops.

Although often green and inconspicuous, bracts may sometimes be large and brightly colored, as in a poinsettia.

ebracteate
Having no bracts or without bracts.
ebracteolate
Without bracteoles, or little bracts; said of a pedicel, or flower stalk.
tribracteate
Having three bracts.