life
cycle - annual, reproducing by seed
stems -
upright, branched or unbranched, four-sided, translucent growth
habit 1, growth
habit 2,
stems
leaves -
opposite, ovate, margins coarsely toothed, tips taper to point,
long petioles leaves 1, leaves 2
flowers - greenish-white, very small; axillary clusters, somewhat
drooping