What's the noun for fructuous? Here's the word you're looking for.
fruit
(botany) The seed-bearing part of a plant, often edible, colourful/colorful and fragrant, produced from a floral ovary after fertilization.
Any sweet, edible part of a plant that resembles seed-bearing fruit, even if it does not develop from a floral ovary; also used in a technically imprecise sense for some sweet or sweetish vegetables, such as rhubarb, that resemble a true fruit or are used in cookery as if they were a fruit.
“She will however, still be perched behind a glass of lurid colour, only this time it will be decorated with umbrella, sparkler and assorted fruitery.”
“Paul Davis runs the Dolau Hirion Fruitery Nursery near Llandeilo.”
“Any man of common right feeling will love and cherish her who is his own, as I this woman, with my whole heart, though she was but a fruitling of my spear.”
“The scooter swerved into a fruit stall and came to a standstill under a heap of bananas, while the scooterist found himself in the arms of an indignant fruitseller.”
“They include a bus driver, a fruitseller and a gym instructor.”
“The death of Khaled Said has been compared to that of Mohammed Bouazizi, the fruitseller whose self-immolation sparked the Tunisian revolution that began the chain of Arab Spring protests.”