HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Poppy flower bud. Light micrograph of a section through a flower bud from a poppy (Papaver sp.) plant. From outside to inside: calyx, made up of the sepals; corolla, made up two whorls of petals; androecium - the male reproductive structures (stamens and anthers); gynoecium - the female reproductive structures (carpel and ovaries). Magnification: x8 when printed 10 centimetres wide.
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