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Scale

A thin, membranous structure, often lacking chlorophyll; sometimes similar in shape to a leaflet.
 
Figure A.  Scales of perigynia of loose-flowered sedge.
(Carex laxiflora)
 
Figure B.  Scale-like stem leaves of coltsfoot.
(Tussilago farfara)
 
Figure C.  Scales at the base of fern leaf stalks.
Lady fern  (Athyrium filix-femina)

 

 

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