life
cycle - annual, reproducing by seed
stems -
upright, frequently branched, hairy growth
habit
leaves -
narrowly or broadly lanceolate, toothed margins, opposite below,
alternate above; young and frosted leaves often copper tinted
leaves 1, leaves 2, seedlings
flowers -
green, male and female separate but together, clustered male
stalked above female; axillary, deeply notched leave-like bract
subtending flower
clusters 1, flower
clusters 2