A detailed model illustrating the longitudinal section of a flower, highlighting its internal structure and various components. This includes the pistil, stamen, and sepal, as well as the pedicel, thalamus, calyx (sepals), corolla (petals), nectary, filament, anther lobe, ovary, ovule, style, stigma, pollen grain, pollen tube, first male gamete, second male gamete, female gamete (oosphere), synergids, secondary nuclei, antipodals, embryo sac, and nucellus. The model is securely mounted on a board and accompanied by a key card for easy reference.