Xylem Collection (page 3)

Horse-tail stem, light micrograph
Rice grass stem. Light micrograph of a section through a rice grass stem (Oryza sativa). Vascular bundles (small oval structures) can be seen containing xylem (larger openings)

Plant root development, artwork
Plant root development. Artwork showing the first three stages in the development of a plant root. The first of these three stages (upper left)

Plant root development, diagram
Plant root development. Diagram showing the the fourth (left) and fifth (right) stages in a series showing the development of a plant root

Grape vine stem, light micrograph
Grape vine stem. Polarised light micrograph of a cross-section through a young stem from the grape vine (Vitis vinifera). Most of the stem is a large central pith made up of parenchyma tissue (blue)

Tree growth rings, light micrograph
Tree growth rings. Polarised light micrograph of a cross-section through a woody stem, showing a portion of an annual ring of xylem tissue with periods of seasonal growth

Virginia creeper stem, light micrograph
Virginia creeper stem. Polarised light micrograph of a cross-section through a stem from a Virginia creeper (Parthenocissus tricuspidatus)

Celery stalk, light micrograph
Celery stalk. Light micrograph of a cross-section through a stalk from a celery plant (Apium graveolens). Red eosin dye has been used to stain the xylem tissues

Tree-of-heaven stem, light micrograph
Tree-of-heaven stem. Polarised light micrograph of a cross-section through the stem of the tree-of-heaven (Ailanthus glandulosa). Below the outer layers (red) is a ring of vascular bundles

Aralia leaf stalk, light micrograph
Aralia leaf stalk. Light micrograph of a cross-section through a leaf stalk (petiole) from an Araliatree. The outer layer directly below the epidermis is a supporting collenchyma ring (red)

Bracken fern rhizome, light micrograph
Bracken fern rhizome. Polarised light micrograph of a cross-section through a rhizome from a bracken fern (Pteris aquilinum). The outer layer (yellow-green) consists of supporting fibres

Burdock stem, light micrograph
Burdock stem. Polarised light micrograph of a cross-section through the stem of a burdock plant (Arctium lappa). The outer layers below the epidermis are the collenchyma (red patches)

Corn (Zea mays) root, light micrograph
Maize root. Polarised light micrograph of a section through the root of a maize plant (Zea mays) showing a vascular cylinder

Fern stem, light micrograph. Transverse section through a rachis (stem) of the bracken fern (Pteridium aquilinum). Under the outer epidermis (black) is a thin cortex (deep red)

Fern rhizome, light micrograph. Transverse section through the center of a rhizome from the Killarney fern (Trichomanes speciosum)

Clubmoss stem, light micrograph
Clubmoss stem, polarised light micrograph. Transverse section through the stem of the clubmoss Lycopodium clavatum. This is the central portion of the stem consisting of the inner cortex (red)

Butchers broom stem, light micrograph
Butchers broom stem. Polarised light micrograph of a section through a butchers broom stem (Ruscus aculeatis) showing many vascular bundles (dark clusters) within the plant cortex (orange)

Umbrella grass stem, light micrograph
Umbrella grass stem. Polarised light micrograph of a section through a umbrella grass stem (Cyperus alternifolius). Vascular bundles (brown) can be seen containing xylem (larger openings)

Flax plant stem, light micrograph
Flax plant stem. Light micrograph of a transverse section through a stem of the flax plant (Linum usitatissimum). The layers from outer to inner (some very thin) are the epidermis (bottom)

Purple moor grass stem, light micrograph
Purple moor grass stem. Polarised light micrograph of a section through a purple moor grass stem (Molinia caerula). Vascular bundles (round orange structures)

Bamboo stem, light micrograph
Bamboo stem. Polarised light micrograph of a section through a bamboo stem (Bambusa vulgaris). Vascular bundles can be seen (yellow/green) containing xylem (larger openings)

Maize stem, light micrograph
Maize stem. Polarised light micrograph of a section through a maize plant stem (Zea mays). A vascular bundles (brown) can be seen containing xylem (larger openings)

Spiny rush stem, light micrograph
Spiny rush stem. Polarised light micrograph of a section through a spiny rush stem (Juncus actus). Vascular bundles can be seen (purple/red) containing xylem (larger openings)

Wheat stem, light micrograph
Wheat stem. Light micrograph of a section through the stem of a wheat grass (Triticum aestivium). The circular structures (orange and green) are vascular bundles

Sugar cane stem, light micrograph
Sugar cane stem. Polarised light micrograph of a section through a sugar cane stem (Saccharum officinareum). Vascular bundles (round blue/purple structures)

Reed canary grass stem, light micrograph
Reed canary grass stem. Light micrograph of a section through a reed canary grass stem (Phalaris arundinacea). Vascular bundles (oval yellow and red structures)

Cotton plant root, light micrograph
Cotton plant root. Light micrograph of a transverse section through a root of the cotton plant (Gossypium hirsutum). The layers from outer to centre (some very thin)

Dragon tree stem, light micrograph
Dragon tree stem. Light micrograph of a section through a dragon tree stem (Dracaena draco). Vascular bundles (round dark structures) can be seen containing xylem (larger openings)

Peanut plant stem, light micrograph
Peanut plant stem. Light micrograph of a transverse section through a stem of the peanut plant (Arachis hypogaea). Below the stems outer layer (epidermis) is a cortex of parenchyma cells (blue)

Sarsaparilla plant stem, light micrograph
Maize root. Polarised light micrograph of a section through the root of a sarsaparilla plant (Smilax regelii) showing a vascular cylinder

Stinging nettle stem, light micrograph
Stinging nettle stem. Polarised light micrograph of a transverse section through a stem of the stinging nettle plant (Urtica dioica)

Tea leaf, light micrograph
Tea leaf. Light micrograph of a cross-section through a tea (Camellia sinensis) leaf. The upper and lower epidermis on the surfaces of the leaf are blue

Kidney bean stem, light micrograph
Kidney bean stem. Light micrograph of a section through the stem of a kidney bean (Phaseolus vulgaris) plant. The outer layer is the cuticle (brown), with a cortex of parenchyma (yellow) beneath it

Broad bean root, light micrograph
Broad bean root. Light micrograph of a transverse section through the young root of a broad bean (Vicia faba) plant. The outer epidermis is covered in root hairs

Kidney bean root, light micrograph
Kidney bean root. Light micrograph of a section through the root of a kidney bean (Phaseolus vulgaris) plant. At centre is the pith (blue)

Common broom stem, light micrograph
Common broom stem. Light micrograph of a transverse section through the stem of a common broom (Salicornia europaea) plant

Oleander stem, light micrograph
Oleander stem. Light micrograph of a cross-section through the stem of an oleander (Nerium oleander) tree. The outer layer is a thick cuticle (yellow) and then cork cambium (blue-green)

Young pine tree stem, light micrograph
Young pine tree stem. Light micrograph of a transverse section through a two and a half-year-old stem of a pine tree (Pinus sp.)

Black burdock stem, light micrograph
Black burdock stem. Polarised light micrograph of a transverse section through the stem of a black burdock (Arctium lappa) plant

Goosefoot root, light micrograph
Goosefoot root. Light micrograph of a section through the root of a goosefoot (Cheopodium sp.) plant. Xylem cells, which transport water around the plant are red

Dyers greenweed stem, light micrograph
Dyers greenweed stem. Polarised light micrograph of a transverse section through the stem of a dyers greenweed (Genista tinctoria) plant

Marsh samphire stem, light micrograph
Marsh samphire stem. Light micrograph of a transverse section through the stem of a marsh samphire, (Salicornia europaea) plant. This is a succulent, xerophytic, halophyte plant

Ginkgo leaf stalk, light micrograph
Ginkgo leaf stalk. Light micrograph of a transverse section through the leaf stalk (petiole) of a ginkgo tree (Ginkgo biloba)

Pine wood structure, light micrograph
Pine wood structure. Polarised light micrograph of a longitudinal radial section through the stem wood (xylem) of the deal pine tree (Pinus mitis)

Begonia stem, light mictograph
Begoinia stem. Light micrograph of a transverse section through the stem of a begonia (Begonia sp.) plant. At centre is a large area of pith, which contains starch grains (orange) a store of energy

Blackcurrant plant stem, light micrograph
Blackcurrant plant stem. Light micrograph of a cross-section through the stem of a blackcurrant (Ribes nigrum) plant. The outer cortex (blue and pale brown) is made of cork cambium tissue

Sunflower root, light micrograph
Sunflower root. Polarised light micrograph of a transverse section through the root of a sunflower (Helianthus annuus) plant

Spikenard stem, light micrograph
Spikenard stem. Light micrograph of a cross-section through the stem of a Spikenard (Aralia sp.) tree. The dark red cells just beneath the surface bark are collenchyma cells

Buttercup root, light micrograph
Buttercup root. Light micrograph of a transverse section through the root of a buttercup (Ranunculus sp.) plant. At centre is the vascular bundle, comprising xylem (red) and phloem (blue) tissues

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Xylem, the intricate network of plant tissues responsible for water transport and structural support, is a fascinating subject to explore under various microscopes. From scanning electron microscopy (SEM) images capturing the detailed vascular bundles to light micrographs showcasing different plant parts, xylem reveals its beauty and functionality. In a castor oil stem captured by a light micrograph, we witness the complexity tissue as it forms an interconnected system of vessels that efficiently transports water from roots to leaves. Similarly, in a maize root image taken with a light microscope, we can observe the organized arrangement cells that enable efficient uptake of water and nutrients. Moving on to leaf structures, a captivating light micrograph showcases the delicate veins within a water lily leaf. These intricate networks are composed mainly tissue which ensures proper hydration throughout the leaf's surface area. Another stunning SEM image captures silver birch twig's xylem vessels in detail - their elongated shapes perfectly adapted for fluid transportation. Exploring further into plants' underground systems, we encounter an enchanting light micrograph displaying the rhizome structure of a water fern. Xylem tissues play an essential role here too by providing support and facilitating nutrient absorption from surrounding soil particles. Light micrographs also capture xylem wonders in stems like those found in pine trees or pondweeds. Pine tree stems exhibit dense clusters of tracheids – specialized cells within xylem – while pondweed stems showcase long strands forming hollow tubes for efficient water movement. Even at smaller scales observed through SEM imaging techniques, such as examining isolated samples of pure xylem tissue or wood itself under high magnification power; one can appreciate its intricate cellular arrangements that allow for optimal fluid flow and mechanical stability. Lastly, exploring below ground once again brings us to oak roots depicted through another mesmerizing light micrograph.