Flowering Plants: Overview

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Flower Dissections Views of the Following Floral Parts: Receptacle, sepals (calyx), petals (corolla), stamens (anthers and filiment), carpels (in both simple and compond ovaries), pistils (stigma, style, ovary, and ovules).

Magnolia

View of whole flower

Detail of receptacle

Snapdragon (Antirrhinum majus)

View of bilaterally symmetrical flowers

Dissected flower

Fuschia

Nodding flowers

Dissected flower

Photomicrographs relating to the Lilium Life Cycle:Views show ovary, carpels, ovules, integuments, nucellus (megasporangium), megaspore mother cell, anther, tapedum, pollen grains (microgametophytes), four and eight-celled embryo sacs (megagametophytes), and, in double fertilization, the two sperm nuclei ans each karyogamy event - one resulting in a diploid zygote, the other in the formation of a primary endosperm nucleus).

Overview of general outline of lily life cycle

View Lily flower

View with stamens removed: clear view of pistil

View of pistil with stigma, style and ovary labelled

View of cross section through young lily bud

View through anthers showing tetrads of microspores and tapetum

View through ovary showing three carpels, axile placenta, and ovules

View through ovary showing ovule with detail of megaspore mother cell, nucellus and integuments

Cross section through an older ovary: View of four-nucleated embryo sac

 

Cross section through dehiscing anther

Whole view - no tapetum

View of pollen grain (microgametophyte)

View of 8-nucleated, 7-celled embryo sac

 

View of double-fertilization

To Overview of Fruits


Go to General Description of the Angiosperms