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Botany · Ch 4 — Reproductive Morphology

Gynoecium

4.5

Gynoecium

The gynoecium, or pistil, is the flower's female reproductive part. A typical pistil has three regions: the expanded basal ovary, an elongated style connecting the ovary to the tip, and an apical stigma that receives pollen grains. An ovary raised on a stalk-like extension is described as a stipitate ovary. The individual structural units that make up a gynoecium are called carpels, and a gynoecium may be made of one carpel or of s …

Figure 4.32Pistil structure

What this figure shows. A labelled longitudinal diagram of a pistil showing, from top to bottom: the Stigma (the apical, pollen-receiving structure), the Style (the elongated connecting stalk) and the Ovary (the swollen basal chamber contai …