pinnate leaves

Kidney vetch Anthyllis vulneraria with flowers emerging from fluffy calyx

Hemlock Water dropwort Oenanthe crocata with details of the roots, of an individual leaf, and of one flower and one fruit

Hawthorn Crataegus monogyna sprig of blossom and detail of shiny red berries

Corn chamomile Anthemis arvensis with two flowers in bloom

Canadian waterweed Elodea canadensis pencil drawing with an emergent flower and more of this invasive weed grwoing below the water surface

Sketchbook study of the Cornflower Centaura cyanus showing its rich blue colour and details of individual florets as well as of the thin leaves and flowering head, some details in colour and some in tonal pencil

Cow parsley illustration in pencil with details of stem, leaves and flowering head picked out in watercolour, and with a small view of the plant grwing at a distance, close up study of the individual flower and its anatomy

Giant hogweed Heracleum mantegazzianum study giving an impression of the enormous size of this tall umbellifer plant with its thick stems and froth of white flowers; details of individual flowers and seeds in colour, and one leaf illustrated in full colour