Citrus ichangensis in Sichuan and Chongqing

Citrus ichangensis from Sichuan and Chongqing Provinces occurs in a wild state in the hills of 42 counties,growing at altitudes of 800 to 2400m with soil pH 5 to 6.5. The dominant vegetation around this speciesconsists of pine, Chimonobambusa utilis, plum, kiwifruit, wild cherry, pear, waxberry, fern, rhododendron,couch grass, et cetera. The typical C. ichangensis is a shrub or tree, usually 1 to 8 meters high; the corolla ofthe flowers is purple, light purple, or white; the fruits are ellipsoid, obloid, spheroid or pyriform, 36 to 170g in weight; the seeds are very large, very numerous (from 20 to 67 in a single fruit), and monoembryonic.