Abstract: The purpose of this study was to explore clonal integration of Leymus chinensis under heterogeneous alkaline conditions. The experiment consisted of three levels of substrate alkaline (8.5, 10, pH 11.5 ), two clonal integration treatments (rhizomes severed or not). Clonal integration enhanced the survival, growth of daughter ramets experiencing alkaline stress, especially for young ramets whereas the performance of mother ramets was reduced by clonal integration. Therefore, clonal integration did not affect performance of the whole clones.