Calamondin Orange, Citrus madurensis, Rutaceae. South China. Syn. Citrofortunella mitis, × Citrofortunella microcarpa.

Calamondin Orange, Citrus madurensis, Rutaceae. South China. The × Citrofortunella mitis is a hybrid species in the family Rutaceae. Its common names include: Musk lime, Panama Orange, and Calamondin Orange. The plant is native to China and is one of the cold-hardiest citrus. It is the hybrid between mandarin orange and kumquat. × Citrofortunella microcarpa, the calamondin or calamansi, is a fruit tree in the family Rutaceae native Asia. Other English language common names include calamonding, calamandarin, golden lime, Panama orange, Chinese orange, acid orange.