blotchwork

Etymology
From.

Noun

 * 1) Something with a blotchy appearance.
 * , London: Eyre & Spottiswoode, Chapter 19,
 * He was clothed in what had once been a suit of black material, but was now so bleached by sun and soaked in a hundred dews that it had become a threadbare blotchwork of olive-and-grey rags