Summer annual with freely
branched prostrate stems that do not root at the nodes.
Stems smooth or hairy, with "milky" sap. Leaves
opposite, usually with a reddish spot, not symmetrical.
Occurring in any disturbed area. Found in the eastern
United States, west to North Dakota and Texas and into
California and Oregon. Also occurs in Canada, Mexico,
Central America, South America, Japan, New Zealand,
and Lebanon. Prostrate spurge [Chamaesyce humistrata]
is similar but roots at the nodes. Both species reproduces