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Trifid Bur-Marigold

 
Trifid Bur-Marigold, by a stream, Dorset
 
 
Yellow disk-florets, green leaf-like outer bracts 
 
(phyllaries)
 
 
Broard, ovate, inner phyllaries
 
 
Close-up of tubular disk-florets, 5 yellow 
 
teeth and 2 linear stigmas
 
 
Side view corolla tube, 2 linear stigmas,
 
and barbed bristles
 
 
 
Burr with red outer phyllaries
 
 
Burr - barbed bristles
 
 
Close-up of backward pointing barbed bristles 
 
 
Leaves and branched stem