Family: Polygonaceae Broad-leaved Knotgrass Polygonum monspeliense Flowering time: Habitat Part of the Polygonum aviculare group. Early growth is prostrate, becoming erect and +/- sprawling. Strongly heterophyllus, leaves 7-20 x 1.5mm and 20-50 x 7-22mm. Long internodes, to 40mm. Perianth lobed nearly to base.

Broad-leaved Knotgrass, Polygonum monspeliense
Photographs: Kingston Lacy, Dorset. September 2020