1. The pollen morphology of10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.

2. Objective:To extract Polysaccharides from Scorzonera sinensis Lipsch, Et Krasch and determine the content of polysaccharides.

3. The Mongolian plateau lies in the Asia temperate zone and 11 species of Scorzonera genus which appeared at Mongolian plateau belong to 6 floral component.

4. The morphological and anatomical structure of the leaves of Scorzonera mengoloica Maxim in saline environment was studied by microscope. in the paper.

5. ObjectiveTo analyze the constituents of essential oils from different organs of Scorzonera albicaulis Bunge.