fruit. In botany, the ripened ovary with the attached parts. All flowering plants, therefore, produce fruits. The term is also used for the ripened reproductive bodies of flowerless plants.

fruit-dot, sorus. A collection or cluster of sporangia, as in ferns.

function. What a plant or an organ does; how it works.

gamete. A cell or nucleus that takes part in fertilization.

gametophyte. The stage of the plant (as the prothallus) that bears or produces the sex organs; sexual stage of the plant.

gamopetalous. Said of a corolla with the petals united.

gamosepalous. Said of a calyx with the sepals united.

generation. The entire life period of a plant.

geotropism. Turning toward the earth, as the action of the roots.

glomerule. A dense globular or oblong flower-cluster in which the upper or inner flowers open first.