A flower is the reproductive organ of those plants classified as
angiosperms. The function of a flower is to produce seeds. In botany, a
flower is regarded as a modified stem with shortened internodes and bearing,
at its nodes, structures that may be highly modified leaves. In essence, a
flower structure forms on a modified shoot or axis with an apical meristem
that does not grow continuously. The stem is called a pedicel, the end of
which is the torus or receptacle. The parts of a flower are arranged in
whorls on the torus.
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