Dicotyledon Collection (#72)

Callistephus chinensis, China aster
Painting by Pierre Joseph Redoute (1759-1840), from his publication Choix des plus belles fleurs (The Most Beautiful Flowers), c. 1827-33

Picoides villosus, Melanerpes lewis, M. carolinus, Sphyrapic
Plate 416 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Mergus serrator, red-breasted merganser
Plate 401 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Spizella pallida, Junco hyemalis, Passerina amoena
Plate 398 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Dendroica nigrescens, Dendroica occidentalis, Dendroica coro
Plate 395 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Calcarius ornatus Carduelis magellanica Zonotrichia atricapi
Plate 394 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Scialia currucoides, Scialia mexicana, Dendroica townsendi
Plate 393 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Casuarius unappendiculatus, northern cassowary
Watercolour by Henrik Gr� ld (1915). This large flightless bird is native to New Guinea and Australia

Polished slab of rhodonite
A pink specimen of rhodonite (manganese iron magnesium calcium silicate). Rhodon is greek for rose

Mt. Diablo State Park, California

Trembling aspen, Populus tremuloides, Yukon

A bud of the californian tree poppy ready to burst open

Birch barch, Stanley Park, British Columbia

Vine maple leaf, Acer circinatum, Stanley Park, British Columbia

Cross-section through a lemon. Light micrograph of cross- section of a lemon (Citrus limon) showing oil glands and placentas

Logitudinal section of a lemon
Longitudinal section of a lemon. Light micrograph of a section of a lemon (Citrus limon) showing the oil glands and placentas

Plant biotechnology, conceptual image. Sunflower seedling (Helianthus sp.) in a test tube

Wood, SEM
Wood. Coloured scanning electron micrograph (SEM) of a section through wood showing the phloem vessels (dark green holes) and xylem tissue (lower frame)

Beech tree leaf, light micrograph
Beech tree leaf. Light micrograph of a section through the leaf of a common beech tree (Fagus sylvatica), showing the midrib

Broad bean flower, light micrograph
Broad bean flower. Polarised light micrograph of a section through a flower from a broad bean (Vicia faba) plant, showing the stamens and stigma

Dahlia tuber, light micrograph
Dahlia tuber. Polarised light micrograph of a section through the tuber of a Dahlia sp. plant, showing inulin crystals. The Dahlia produces root tubers that are mostly made up of scattered vascular

Tomato fruit, light micrograph
Tomato fruit. Light micrograph of a section through the young fruit of a tomato (Solanum lycopersicum) plant, showing the seeds (ovules, oval) developing inside

Horse-chestnut leaf, light micrograph
Horse-chestnut leaf. Light micrograph of a section through a leaf from a horse-chestnut, or conker, tree (Aesculus hippocastanum)

Lupin root nodules, light micrograph
Lupin root nodules. Light micrograph of a section through the root nodule of a lupin (Lupinus lupin) plant. The plants root nodules are full of nitrogen-fixing Rhizobium sp

Castor oil plant seed, light micrograph
Castor oil plant seed. Light micrograph of a section through the seed of a castor oil plant (Ricinus communis). The castor oil seed has an outer testa (not seen) which is poisonous

Marrow stem, light micrograph
Marrow stem. Light micrograph of a section through the stem of a marrow (Curcurbita sp.), showing the sieve plates in the phloem. A single collateral vascular bundle can be seen

Poppy flower bud, light micrograph
Poppy flower bud. Light micrograph of a section through a flower bud from a poppy (Papaver sp.) plant. From outside to inside: calyx, made up of the sepals; corolla

Dandelion flower, light micrograph
Dandelion flower. Light micrograph of a section through a flower from a dandelion (Taraxacum officinalis) plant. The flower stem (bottom) is made up of parenchyma cells (light blue)

Common sundew, light micrograph
Common sundew. Light micrograph of a section through the leaf of a common sundew (Drosera rotundifolia) plant, showing the glandular hairs (dark)

Great mullein hairs, light micrograph
Great mullein hairs. Polarised light micrograph of hair-like structures, known as candelabra trichomes, from a great mullein (Verbascum thapsus) plant

Sycamore leaf vein, light micrograph
Sycamore leaf vein. Light micrograph of a section through the midrib (vein) of a leaf from a sycamore (Acer pseudoplatanus) tree

Bean pod, light micrograph
Bean pod. Light micrograph of a section through the seed pod of a bean (Phaseolus sp.) plant. The pericarp (outer covering)

African teak woody stem, light micrograph
African teak woody stem. Polarised light micrograph of a section through the stem of an African teak (Pericopsis elata) plant, showing its diffuse-porous xylem tissue

Venus flytrap leaf, light micrograph
Venus flytrap leaf. Light micrograph of a section through the leaf of a Venus flytrap (Dionaea sp.), showing the digestive glands that line its interior

Beech tree stem, light micrograph
Beech tree stem. Polarised light micrograph of a section through the woody stem of a common beech tree (Fagus sylvatica), showing diffuse-porous xylem vessels (dark blue)

Geranium stem, light micrograph
Geranium stem. Light micrograph of a section through a young stem of a geranium (Pelargonium sp.) plant. The outer stem is covered with a thin epidermis (red) which has stomata

Sweet pea stem, light micrograph
Sweet pea stem. Light micrograph of a section through the hollow stem of a sweet pea (Lathyrus odoratus) plant, showing a ring of vascular bundles

Shepherds purse fruit, light micrograph
Shepherds purse fruit. Light micrograph of a section through a seed pod from a shepherds purse (Capsella bursa-pastoris) plant. The remains of the stigma can be seen (top centre)

Sage stem, light micrograph
Sage stem. Light micrograph of a section through a primary stem of a scarlet sage (Salivia splendens) plant. The outer stem is covered with a thin epidermis (green) that contains stomata

Rhubarb root, light micrograph
Rhubarb root. Light micrograph of a section through the root of a rhubarb (Rheum sp.) plant. The primary cortex has been shed by the formation of a circular meristem, the periderm

Sycamore leaf in autumn, micrograph
Sycamore leaf in autumn. Light micrograph of a section through the stem of a leaf from a sycamore (Acer pseudoplantanus) tree in autumn

Lime tree stem wound, light micrograph
Lime tree stem wound. Light micrograph of a section through the wounded stem of a lime tree (Tilia europaea). The outer epidermis has been shed and replaced by a layer of cork (dark red)

Oak root, light micrograph
Oak root. Light micrograph of a section through a secondary root from an oak (Quercus sp.) tree. The primary cortex (outer layer) has been shed by the formation of a circular meristem, the periderm

African mahogany stem, light micrograph
African mahogany stem. Polarised light micrograph of a section through the stem of an African mahogany (Khaya sp.) tree. The multicoloured cells are fibres, and fibre tracheids, which carry water

White bryony stem, light micrograph
White bryony stem. Light micrograph of a transverse section through the stem of a white bryony (Bryonia alba) plant, showing a single collateral vascular bundle

Beech tree leaves, light micrograph
Beech tree leaves. Light micrograph of a section through two leaves from different parts of a common beech tree (Fagus sylvatica)

Orange fruit, light micrograph
Orange fruit. Light micrograph of a section through the rind of a fruit from a bitter orange (Citrus aurantium) tree, showing one of the many spherical oil-secreting glands

African teak stem, light micrograph
African teak stem. Light micrograph of a section through the woody stem of an African teak (Pericopsis elata) plant, showing its diffuse-porous xylem tissue

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"Dicotyledon: A Journey Through Nature's Bountiful Diversity" Franklinia alatamaha, also known as the Franklinia, is a rare flowering tree native to Georgia, USA. Its delicate white blossoms bring beauty to any landscape. Hydrangea hortensis, commonly referred to as French hydrangea, showcases vibrant clusters of flowers in various shades of pink and blue. These stunning blooms are a favorite among garden enthusiasts. The Weeping Willow stands tall with its graceful branches cascading downwards like flowing water. This majestic tree adds an enchanting touch to any scenery it graces. Surinam boasts a diverse array of insects that captivate with their intricate patterns and colors. From butterflies to beetles, these tiny creatures play an essential role in maintaining ecological balance. Gossypium barbadense, better known as the cotton plant, has been cultivated for centuries due to its soft fibers used in textile production worldwide. Scottish Pine Forests offer breathtaking vistas filled with towering pine trees that provide shelter for numerous wildlife species while adding tranquility to the surroundings. Heathland landscapes showcase vast expanses covered in heather plants and wildflowers that create a picturesque scene full of vibrant hues during blooming seasons. Ancient Beech trees (Fagus sylvatica) found at Lineover Wood in Gloucestershire UK stand as silent witnesses of time's passage; their gnarled trunks tell stories from centuries past. Durio zibethinus introduces us to the unique durian fruit—a tropical delicacy famous for its distinctive smell and creamy texture—known as "the king of fruits" across Southeast Asia. Myristica sp. , or nutmeg tree, produces aromatic seeds highly valued both for culinary purposes and traditional medicine practices around the world.