Biological characteristics for seeds of Xanthoceras sorbifolia were studied.Result shows that： the value of 100-grain mass,diameter,length,water content,viability,germination rate for seeds of Xanthoceras sorbifolia are 64.66-66.78 g,9.58-11.08 mm,12.47-13.65 mm,11.78%-12.86% mm,93.76%-94.23%,9.62%-19.93%,respectively.It is determined that seeds of Xanthoceras sorbifolia have certain dormancy characteristics.%对文冠果种子生物学特性进行了研究,结果表明：文冠果种子百粒质量为64.66～66.78 g,直径为9.58～11.08 mm,长度为12.47～13.65 mm,含水量为11.78%～12.86%,生活力为93.76%～94.23%,萌发率9.62%～19.93%,通过测定认为文冠果种子存在一定的休眠性。
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