life
cycle - introduced perennial, reproducing by seed (rare in north)
and rhizomes
stems -
upright, tall, become woody in late season growth
habit 1,
growth
habit 2, growth
habit 3, growth
habit 4, growth
habit 5
leaves -
alternate, deeply cut, lobes with sharp points, upper surface
smooth (sometimes slightly hairy), undersides appear fuzzy
or velvety, white to gray hairs leaves
1,
leaves 2
flowers -
heads of greenish-yellow disk (tubulate) florets; leafy panicles
above flowers
other - chrysanthemum scent when bruised or crushed