life
cycle - annual, reproducing by seed
stems -
prostrate, branching, hairy, often pink to red in color, form
mat, not rooting at nodes growth
habit 1, growth
habit 2, growth
habit 3, growth
habit 4, growth
habit 5, seedling
leaves -
opposite, ovate, slightly toothed margins, sometimes hairy,
short petioles, usually a noticeable reddish blotch on upper
surface leaves
flowers -
small, inconspicuous, sexual parts subtended by cup-formed
bracts, petals and sepals absent, axillary flowers
other - contains milky sap