claim: Nate Diaz signed with the UFC.
evidence: Perula or perule can refer to  :. One of the scales of a leaf bud -LRB- also called a perular scale -RRB-. bud. bud. A plant genus in the family Euphorbiaceae , now considered a synonym of Pera. A plant genus in the family Moraceae , considered a probable synonym of Ficus. Ficus. Ficus. Perula -LRB- moth -RRB- , a genus of moths in the Pyralidae family