POLLINATION CHARACTERISTICS OF EPHEMEROID PLANT EREMURUS ANISOPTERUS Anatomy of An Ephemeroid Plant Eremurus altaicus Karyotype Analysis of Eremurus in Xinjiang Anthraquinones in Eremurus chinensis Fedtsch Eremurus (Liliaceae)——a New Record of Shaanxi Chemical Constituents from Eremurus chinensis Fedtsch.