species identification

Periwinkle Vinca major flower sketch concentrating on the blues of the petals.

Dwarf Echium Pride of Madeira Echium candicans sketch

Birds foot trefoil Lotus corniculatus with seed pod and individual flower and calyx

Astilbe chinensis sketchbook study with habit sketch and detail of pink and white form

Strawberry tree Arbutus unedo sketchbook study with detail of fruit and half fruit

Staghorn Sumac Rhus glabra sketchbook study with detail of individual flowers

Sedum Ice plant Stonecrop Hylotelephium spectabile sketchbook study

Oregon Grape Mahonia aquifolium sketchbook study showing yellow flowers and spreading habit of the branches, with holly-like leaves

Hibiscus Chinese Rose or Shoe flower Hibiscus rosa-sinensis Sketchbook study

Grape vine Vitis vinifera sketchbook study showing ripe grapes, tendrils and detail of leaf

Japanese knotweed Fallopia japonica stand in winter showing bamboo-like canes

Giant Hogweed Heracelum mantegazianum sketchbook studies showing detail of leaves, stem, and seeds.

Canadian Goldenrod Solidago canadensis sketchbook study page with comparisons to Solidago gigantea

Tree of Heaven Ailanthus altissima sketchbook study page and habit sketch

Small Balsam Impatiens parviflora sketchbook study showing cross section of flower and details of seeds and exploded seed case.

Garden lupin Lupinus regalis habit showing a red and yellow variety

Blue bonnet Lupin Lupinus polyphyllus sketchbook study page.  Includes information on  habit, cross section of flower, seed pods, and leaf venation.

Persian Hogweed Heracelum persicum and Giant Hogweed Heracelum mantegazzianum comparison with info on flower shape, umbel shape, and leaf differences

Milkweed Asclepias syriaca sketchbook study page with written notes and info on seed pods, flowers, roots, and seeds

Tree of Heaven Ailanthus altissima habit drawing showing mature tree in flower

Small Balsam Impatiens parviflora habit drawing of a clump of plants

Persian Hogweed Heracleum persicum in flower showing habit and growth form

Milkweed Asclepias syriaca habit drawing showing two plants in flower

Lupin Lupinus polyphyllus habit drawing showing palmate leaves and flower spikes