中文摘要：

珙桐是我国特有珍稀保护物种，在植物系统发育和地史变迁研究上有很高的学术地位，国内外学者进行了大量的研究。介绍了珙桐的天然分布环境、生物学特性、群落特征等，从生态学、遗传学、生理学角度综述了珙桐的研究进展，并提出应加强珙桐生理生态学和细胞生物学方面的研究。

英文摘要：

Davidia involucrate Baill. is a rare and endangered plant endemic to China, it has a high science status in plant phylogeny and geologey history change investigation. Home and abroad scholars have done quantities of work on it. The distributing environment, biology character, community connection were introduced and the research from ecology, genetics and plant physiology were summarized. It is concluded that the research on plant physiology, ecology and cell biology should be strengthened.