The nuts grow in small clusters as a rule, often in pairs, and the outer husk separates when ripe into four pieces, allowing the nut to drop out clean and dry.
The berries are black and glossy and grow in small clusters.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "small clusters" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.