life
cycle - perennial, reproducing by seed and rhizomes
stems -
initial upright then sprawling, slender, smooth, weak, square,
much-branched growth
habit 1, growth
habit 2, growth
habit 3
leaves -
oblanceolate to obovate, bright green, whorled 6 to 8 per node,
sessile leaves 1, leaves 2, leaves 3
flowers -
4-petaled, small, white; stalked axillary clusters flowers 1, flowers 2
fruit -
round, smooth fruit 1, fruit 2, fruit 3, fruit 4