Malia paha,ʻo Irga he inoa Mongoliano keʻano "lāʻau me nā lāʻauʻoi". I ka'ōlohelohe o ka honua, ua hoʻokaʻawaleʻia ka irga i nā'āina he nui o ka zone temperate. ʻO Korinka (ka inoaʻelua o irgi) he lāʻau lapaʻau ia, a he mea pono nā mea a pau i loko o ia mea: mai ke kipe i nā hua. He aha ka mea maikaʻi no ka hoʻohuiʻana, he nui nā waiwai maikaʻi o ka irga.
