Seen in grassland close to a main road and park in Bedfordshire.
No interactions present.
This is reminiscent of the American T. mirus, the Remarkable Goatsbeard.
Looking it up on line I think you may well be right. Why not add it as an ID?
It's an American plant that I only know as an example of speciation by hybridization.
I'm happier agreeing with your generic 'Tragopogon'.
Lat/Lng: 51.9075, -0.48283333333333
OS grid ref: TL044243