Family: Polygonaceae Bushy Knotgrass Polygonum polychnemiforme Flowering time: Probably very common on compacted ground Part of the Polygonum aviculare group. Prostrate stems, ascending at tips and forming dense, bushy cushions. Leaves not (or only weakly) heterophyllus, 7-20 x 3-10 mm, narrowly elliptical or oblong-lanceolate. Internodes to 20(-30) mm. The perianth is lobed to 1/2 - 2/3 its length

Bushy Knotgrass, Polygonum polychnemiforme
Photographs: Kingston Lacy, Dorset. September 2020