purple stems

Blackberry Rubus fruticosus line drawing with focus on the blossom and berries

Sketchbook study of the blackberry, focusing on the ripe and un ripe berries

Water avens Geum rivale plant with root

Giant hogweed Heracleum sphondylium with stem cross section and lots of leaves

Blackberry Rubus fruticosa showing flowers, ripe and unripe fruit, and a leaflet