What is the name of Tiny orange fruit used to design desserts?

There are a few possibilities depending on what you are looking for, as "tiny orange fruit" can describe several different types of fruit.

Here are some likely candidates:

* Cumquats: These tiny, citrus fruits have a sweet-tart flavor and are often used whole in desserts, including candied cumquats, marmalade, and cakes.

* Mandarin Oranges: While not "tiny" in the same way as cumquats, mandarins are small, easy-to-peel oranges often used in desserts.

* Blood Oranges: These oranges have a deep red flesh and are often used for their vibrant color and unique flavor.

* Miniature Citrus: Many citrus varieties have smaller cultivars. For example, miniature lemons, limes, and grapefruits can be used as garnishes or incorporated into desserts.

* Marigolds: Although not a fruit, marigold petals are sometimes used as a natural food coloring and can be found in desserts like cakes or ice cream.

To give you the most precise answer, could you provide more information? What type of dessert are you designing? What is the specific flavor profile you are aiming for?