life
cycle - biennial, reproducing by seed biennial roots
stems -
upright, smooth, branching growth
habit, young
plant
leaves - linear, long, sharp-pointed, blueish-green, grass-like,
clasping base
flowers -
heads of bright yellow ray (ligulate) florets; bracts long,
green, pointed; solitary and terminal; open in morning and
close by mid-day; form large "puffball" flower heads, mature flower heads, mature flower heads 2
other - contains milky sap