life
cycle - winter annual, reproducing by seed
stems -
upright, hairless, usually branched growth
habit
leaves -
alternate, deeply and irregularly lobed, lower leaves short
petiole, upper sessile leaves 1, leaves 2
flowers -
heads of yellow disk (tubulate) florets, ray (ligulate) florets
absent; terminal clusters, seed pappus forms white "puff
ball" flower heads