This node group shader generate the skin and pulp of the citric you want in one step.

You can change the colors of the pulp and the skin, the number of segments and the width of the different parts of the fruit.

The file include the group node, 6 fruit material examples and one branch cul material example and the shapes for each.

Ready for render in cycles and eeve.

Create the citric you want easily or experiment with the colors and the other controls to create alien fruits.

Update 24/10/2022 - Added specular output