Seedless Kishu mandarins at the University of California at Riverside Citrus Variety Collection, where Jim Churchill first encountered the fruit and got the idea of growing it. (David Karp / For The Times)
Nanfeng Gongju, small-fruited mandarin similar to Seedless Kishu, at a supermarket in Chongqing, China. (David Karp / For The Times)
Seedless Kishu mandarins at Churchill Orchard in Ojai. (David Karp / For The Times)
