Family: Polygonaceae Knotgrass Polygonum aviculare sens. str. Flowering time: Habitat Stems erect or ascending. Weakly heterophyllus, large leaves up to 50 x 15mm. Internodes to 40mm. Perianth lobed to 1/2 to 2/3. The inflorescence is leafy to the apex.

Knotgrass, Polygonum aviculare
Photographs: Kingston Lacy, Dorset. July 2020