Geographical Change of Seed Characteristic and the Main Chemical Composition of Xanthoceras sorbifolia Population in the West of China Phenotypic diversity of pods and seeds in natural populations of Gleditsia sinensis in southern China Correlation Analysis between Genome Size and Seed Characteristics in Poaceae Plants REVIEW OF PROGRESS OF STUDIES ON SALT-TOLERANCE MECHANISMS OF ANNUAL HALOPHYTES The Information of Seed Morphology in iFlora