Shangjuan

{{Short description|Citrus fruit and plant}}

{{Speciesbox

|image = Ichang-lemon-shanguyan.jpg

|image_caption =

|genus = Citrus

|species = × wilsonii

|authority = Yu.Tanaka

}}

The shangjuan, or Ichang lemon (Citrus × wilsonii) is a cold-hardy citrus fruit and plant originating in East Asia.{{cn|date=May 2024}} It is a hybrid between Citrus cavaleriei and Citrus maxima.{{cite POWO |id=772103-1 |title=Citrus × wilsonii Yu.Tanaka |access-date=4 May 2024}}