life
cycle – introduced winter
annual (sometimes summer annual), reproducing by seed
stems – prostrate
and low sprawling, much branched, form dense mats growth habit 1, growth habit 2, growth habit 3, growth
habit 4, growth
habit 5
leaves – opposite,
linear or awl-shaped, leaves pairs at 90 degree angle to pairs
above or below, sessile, entire, somewhat prickly, smooth,
tip sharp pointed, thin clear membrane joins leaf base leaves
1, leaves 2
flowers – 5-sepaled,
inconspicuous, petals absent, green with thin lighter colored
margins, very small, sessile; axillary clusters tight flowers
