Clone and Expression Analysis of the Vacuolar Pyrophosphatase Gene from Chenopodium glaucum An anatomical study on the leaf structure of salinized wetland Chenopodium glaucum of Qinghai Lake Tissue Culture and Plant Regeneration from Immature Inflorescence Explants of Chenopodium glaucum L. Allometric Relationships between Morphological and Reproductive Traits of Chenopodium glaucum