life
cycle – annual
or biennial, reproducing by seed
stems – upright,
granular hairs below often smooth above in inflorescence, weakly
ridged, branching above, milky juice growth habit 1, growth habit 2
leaves – alternate,
large oval terminal lobe with up to 2 or more pairs of small
side lobes, lanceolate above and unlobed, margins toothed and
often wavy, sparsely hairy above and below, winged petiole
leaves 1, leaves 2, leaves 3
flowers – heads
of pale yellow ray (ligulate) florets, ray tips blunt and 5-toothed;
terminal clusters, several to many, long peduncles flowers 1,
flowers 2