A STUDY ON THE SEEDS MICRO-MORPHOLOGICAL CHARACTERISTICS OF PEGANUM FROM CHINA NORTHWEST AND ITS TAXONOMIC AND ECOLOGICAL SIGNIFICANCE

The micro-morphological characteristics of the seeds of 3 species and 9 populations of Peganum from China northwest under microscope and scanning electronmicroscope were reported. The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.