105871 KNOTGRASS Polygonum aviculare (Polygonaceae) Height to 1m (often prostrate)
Much-branched annual of bare soil and open ground. FLOWERS are pale pink and arise in leaf axils (Jun-Oct). FRUITS are nut-like and enclosed by the withering flower. LEAVES are oval, leathery and alternate with a silvery basal sheath; main stem leaves are larger than those on side branches.