The fruit and seed characteristics were observed on Halogeton glomeratus C. A. Mey. from Junggar Desert. It is found the seeds of Halogeton glomeratus are dimorphism. The two types of seeds are different in shape, size, color and external structure of seeds. The green seeds have lignified tepals with long wings, can be easily dispersed by wind to a far distance from the mother plant. The yellow seeds have tepals without wings, and dispersed near the mother plant. The seeds of Halogeton glomeratus germinated in incubators for 30 d with a 12 h photoperiod and 12 h thermoperiods (dark / light) of 5/15℃, 5/25℃ and 15/25℃. The germination percentages of freshly matured dimorphism seeds are low (＜50％). Extending the storage time can significantly increase germination percentage of green seeds, but have no significant effect on yellow seeds. Scarification on covering layers can significantly increase the germination percentage of these dimorphism seeds. Results indicated that green seeds have non-deep physiological dormancy and yellow seeds have deep physiological dormancy.