Our research was carried out in the ridges of Western Tien Shan (Uzbekistan). The study analyzed age structure 9 local populations (LP) Tulipa greigii Regel. ontogenetic T. is represented by two types spectrum – left-sided (LP 1, 2, 4, 5, 6, 8, 9) and centered 3, 7). studied are normal, incomplete. It noted that young mature. scientific justification ways ecological improvement coenopopulation....