Dandelion seed head, Taraxacum officinale

Dandelion seed head, Taraxacum officinale

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This image is part of the sequence Flowers: Head of a Dandelion flower opening
This image is part of the feature Flowers Of The Field

Credit: CLAUDE NURIDSANY & MARIE PERENNOU/SCIENCE PHOTO LIBRARY

Caption: Dandelion seed head (6th of 8 images). Close-up of the seed head of a dandelion, Taraxacum officinale, as it opens. The wind-dispersed seeds are emerging from within the seed head. At centre and lower centre are the protective bracts (green) that enclosed the developing seeds. The seeds grew from the female parts (carpels) of the flower head once they had been fertilized with pollen. Dandelions are short perennial plants which grow in grassy areas and waste ground, and flower mainly between April and June. See photos B539/035-042 for the sequence of development from flower bud to seed dispersal.

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Keywords: angiosperm, angiosperms, asteraceae, botany, bract, compositae, dandelion, nature, plant, seed, seed hea, seed head, seed-head, taraxacum officinale, type

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