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