Combine the juice from one of the oranges and the lime. Reserve.
Peel the rest of the oranges and the clementines and separate the wedges. Slice each wedge in half.
Peel and dice the jicama.
Put the jicama, oranges and clementines in a bowl. Add the orange/lime juice. Add salt to taste.
Serve on a plate and garnish with cilantro and chile piquín.