Table 1.

Description of the six almond species.

Species	Origin	Collection site	Latitude	Longitude
P. dulcis var. ZHIPI	Cultivar	Kashi, Xinjiang, China	38.22	77.18
P. tangutica	Wild	Aba, Sichuan, China	32.3	103.38
P. pedunculata	Wild	Yulin, Shanxi, China	38.51	109.52
P. mongolica	Wild	Alashan, Neimenggu, China	39.46	105.3
P. tenella	Wild	Aertai, Xinjiang, China	48.18	86.34
P. triloba	Wild	Chicheng, Hebei, China	41.11	116.04