SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Red spider lily (Lycoris radiata) pollen, coloured scanning electron micrograph (SEM). Pollen grains are the male sex cells of a flowering plant. An adhesive thread secreted by the anther, part of the male reproductive structure of the plant, runs from top left to bottom right.
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