南橘北枳的差異

橘圖片引用自Forest and Kim Starr,https://www.flickr.com/photos/starr-environmental/24753496742/in/photolist-E5bxBk-DHo9bA-DkfFyF-DHjus5-EfTwhA-EnGBfV-D6LmPa-DSR8gP-DtX6WK-Eb6LJS-EfTrR1-DtBonS-DtX2dM-DZdu81-Ep1VGJ-DN4yJv-Dftjag-ErkGwz-DSRedZ-DZdtt5-E2ZeE3-E2ZedS-DH6BCU-Eb6KLE-DudQsj-CY2Uku-Ei6PVK-Drpy1w-ErkBfH-EoZTkB-Ei6RDK-DN7HKR-Erkruv-DRcfhG-YMGv6J-DDQSaz-DSR4yP-CZRWJz-DtBnMU-Eb6JRU-Ecekzm-DKKagL-DWyhsF-YMG4dm-ErktdF-DtX9T6-YMG4ZS-DBzTh7-D7ji56-DkfEe, (CC BY 2.0)
枳圖片引用自 Jebulon - 自己的作品, 公有領域, https://commons.wikimedia.org/w/index.php?curid=11742839