life
cycle - perennial, reproducing by seed
stems -
reproductive (scapes), hollow, whitish, unbranched, leafless growth
habit, seedling
leaves - oblanceolate, deeply toothed, backward pointing teeth
or lobes, basal rosette, mid-vein hollow
flowers -
heads of bright yellow ray (ligulate) florets, ray flower toothed
tips; solitary; closing at night, form "puffball" when
mature flower heads, mature flower heads
other - contains milky sap