Dandelion flower head, light micrograph

Dandelion flower head, light micrograph

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: Dandelion flower head. Light micrograph of a transverse section through the flower head (capitulum) of a dandelion (Taraxacum officinale). Each round object is a disc floret, and the section is halfway up each one. The disc florets have a corolla of five fused petals (blue outer circle of each floret). Inside each corolla is a ring of five fused stamens (light-red) with pollen grains (black dots, scattered through the section). Inside the stamens are two blue circles the bifurcated stigma, from the ovary. Magnification: x14 when printed at 10 centimetres wide.

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Keywords: anatomical, biological, biology, botanical, botany, capitulum, cell, cells, cellular, cross-section, cut out, cut outs, cut-out, cut-outs, cutout, cutouts, dandelion, flora, floret, flower, flower head, internal structure, light micrograph, light microscope, lm, nature, part, parts, plant, plant anatomy, section, sectioned, structural, taraxacum officinale, tissue, transverse, white background

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