NATS 1565 Study Guide - Midterm Guide: Stamen, Gymnosperm, Ovulation

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Gymnosperm seeds are generally produced in cones (ex. The whole whorl of sepals of a single flower is called the calyx. The petals that make up the next whorl of flower parts are collectively called the corolla. Androecium: the androecium, the whorl of male structures, is composed of stamens, each of which consists of a pollen producing anther supported on a stalk, the filament. Stamens (the floral organ that produces pollen; consisting of an anther and filament) form the androecium. Filament part of the stamen in a flower that supports the anther. Pollen chamber pollen chamber refers to the cavity just above the nucleus in gymnosperms which is the site where pollen accumulates and germinate during ovulation. Pollen immature male gametophytes of seed plants. Gynoecium the gynoecium is the collective term for the female structures, or carpels, which are located in the middle of the flower. Carpel (the ovule-bearing part of a flower) form the gynoecium.

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