What is a collective noun for mandarin oranges?

There isn't a widely accepted collective noun specifically for mandarin oranges. However, you could use some general collective nouns that work for fruits, such as:

* A bunch of mandarin oranges

* A basket of mandarin oranges

* A bowl of mandarin oranges

* A pile of mandarin oranges

* A heap of mandarin oranges

You could also use more descriptive phrases like:

* A vibrant cluster of mandarin oranges

* A juicy assortment of mandarin oranges

* A sweet collection of mandarin oranges

Ultimately, the best collective noun depends on the context and the desired effect.