alien species

Dwarf Mountain Pine Pinus mugo sketchbook study sheet.  Illustration shows female and male flowers, immature and mature cones, the bark of the tree, and details of the pine needles and bud.

Rum or Black Cherry Prunus serotina sketchbook study.  The page includes two bark studies (from an old and young tree), the habit of tree, and berry details.  The bud, individual flower, blossoming raceme, vein detail and petiole gland details are also depicted.

Himalayan Blackberry Rubus armeniacus.  Sketchbook illustration shows flower, flower cross section, leaf shape and underside, stem, seed, early fruit and seed detail

Lesser Periwinkle Vinca minor compared to Greater Periwinkle Vinca major.  Sketchbook study sheet shows details of flowers, leaves, leaf venation, a habit sketch, and cross sections of the periwinkle flowers.

Common Blue-sow thistle Cicerbita macrophylla sketchbook page compared to Alpine Sow-thistle Cicerbita alpina. Details of leaf venation, habit sketch, individual ray florets, seed information, and associated comparative details of the Alpine Sow-thistle

False Virginia creeper Parthenocissus inserta showing berries, flowers and tendrils free of suckers.  For more, check out my blog

False acacia Robinia pseudoacacia with detail of the grey bark and of one opened seed pod

Entire leaved Cotoneaster Cotoneaster‌ integrifolius sprig showing leaf rosette, berries, and detail of one flower.  For more on Cotoneassters, check out my blog

Entire leaved cotoneaster Cotoneaster integrifolius detail of small leaf rosette, one berry, and the underside of a leaf.

Broad leaved rush Juncus planifolius showing its growth habit, wide leaves, and flowering spike. Botanical illustration by Lizzie Harper

Brazilian Giant rhubarb Gunnera manicata showing a flowering spike in front of one of the plant’s gigantic leaves

Hottentot Fig Carpobrotus edulis showing the large pink flowers and pale succulent leaves

Himalayan balsam Impatiens glandulifera with details of flower, seed and seed pods, stem, roots, and growth habit.

Himalalyan knotweed Persicaria wallichii showing a plant and close up of one flower.

Giant rhubarb Gunnera tinctoria showing one enormous leaf and a crimson tinged flowering spike

Giant rhubarb Gunnera tinctoria Detail habit drawing

Giant knotweed Fallopia sachalinensis showing numerous drooping flowers, large leaves, stem section and detail of the orange underground rhizome

Few flowered leek Alium paradoxum showing flowers and fruit, with cross section of stem and one leaf.

Perfoliate Alexanders Smyrnium perfoliatum

Monbretia Crocosmia x crocosmiliiflora plant showing orange flowers and corms

Mile a minute weed Asiatic tearthumb Polygonum perfoliatum showing the distinctive blue berries and the pale green leaves.  Stems have sharp spines.

Japanese rose Rosa rugosa showing magenta petals, bright green foliage and large red rosehips

Japanese Knotweed Fallopia japonica showing subterranean roots

Japanese Knotweed Fallopia japonica without roots.  Illustration shows details of the small white flowers and winged seed.