Fig. 4

The sampling location of wild loquat genotypes. Orange levels (loquat fruit) represent the sampling sites of wild loquat genotypes, star (black) represents the position of earliest archaeological site where carbonation relic of loquat seed was found, and the area inside the red circles is natural habitat of wild loquat. AL_W, BJ_W and MT_W were collected from Anlong, Bijie and Meitan counties of Guizhou province, SM_W was collected from Simian county of Sichuan province, HZ_W was collected from Hanzhong county of Shanaxi province, BD_W, LC_W, WF_W, TS_W were collected from Badong, Lichuan, Wufeng and Tongshan counties of Hubei province, respectively