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Bract

A bract is a small leaf or scale at the base of a flower or inflorescence.

Countless species across much of the plant kingdom have bracts. They are highly variable in description. Some look like other green leaves: relatively thin and flexible, often smaller in size. Others are like scales: thicker, firmer and lack some or all green pigment.

 
Figure A.  Leaf-like bracts of (Cyperus esculentus).
 
Figure B.  Leaf-like bracts of Carex sparganioides.
 
Figure C.  Scale-like bracts of Carex laxiflora.
 
Figure D.  Leaf-lke bracts of Symphyotrichum lowrieanum.
 
Figure E.   Involucral bracts of Bidens frondosa.

 

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