abstract:Citrus ichangensis, the Ichang papeda (Chinese: [is a slow-growing species of the genus] Citrus, which has characteristic [[lemon-scented foliage and flowers. It is native to south-western and west-central China and is likely named for the city of Yichang (宜昌), in China's Hubei province.
The chromosomes in root tip cellsofTrifoliateorange(Poncirus trifoliata Raf. )andIchang papeda(Citrus ichangensis Swingle)were observed by enzymic maceration technique.