Plant morphology,growth and population characteristics of S.gordejevii in different sandy land habitats (semi fixed sand dunes,fixed sand dunes and inter dunes lowland),as well as species composition and their frequency in the herb layer of the scrubs,were compared.Plants in the inter dunes lowland were more branchy with a larger number of first year shoots which were shorter,and grew more slowly;the frequency distribution of the first year shoot lengths tended to have a "thin" peak drifting toward...