Achenes 10-ribbed; pappus of rather rigid bristles, not plumose.
I could not perceive that they were plumose, as in many other genera.
In certain breeds of the pigeon and fowl the feathers are plumose, with some tendency in the shafts to be naked.
Bristles of the pappus naked (not plumose), merely rough or denticulate.
The pistil consists of an ovary and two styles ending ...