Prostrate Knotweed

(Polygonum aviculare)

Characteristics

Seedling	Leaves	Flowers	Fruit

Growing habits: Extensively branched prostrate to loosely ascending annual herb, conspicuous nodes along stem

Root anatomy: Slender roots from taproot, commonly not rooting at nodes

Leaf anatomy: Leaves alternate, simple, linear w/entire margins, blue-green in color

Reproduction: Inflorescences in axillary clusters, small, perfect, included in or barely exerted from leaf axil

^{References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice}