Buttercup flower, SEM

Buttercup flower, SEM

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Credit: SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Caption: Buttercup flower. Coloured scanning electron micrograph (SEM) of the reproductive structures of a buttercup (Ranunculus sp.) flower. The anthers (male structures) surround a central group of female structures that are tipped with stigmata (brown). The anthers produce pollen grains, each containing a male reproductive cell (male gamete). Pollen is transferred between the flowers of different buttercup plants, and each stigma can receive a pollen grain and transfer the male gamete to an ovary (not seen) where the male gamete fertilises the female gamete, producing the seed for a new plant. Magnification unknown.

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Keywords: anther, anthers, botany, buttercup, carpel, carpels, coloured, female, flower, flowering part, male, nature, parts, pistil, plant, plants, ranunculus sp., reproduction, reproductive, scanning electron micrograph, sem, sexual, stigma, stigmata, structure, structures

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