life
cycle - perennial, reproducing by seed and rhizomes
stems -
upright, tall, hairless below, pubescent above, branched above
growth
habit
leaves - alternate, linear to lanceolate, sessile tapered base,
variable margins - serrated to almost entire, prominent mid-vein
underneath paralleled by two lateral veins, lower leaves deciduous
by flowering
flowers - heads of golden yellow disk (tubulate) and ray (ligulate)
florets; terminal panicles, densely clustered, numerously branched,
appear plume-like