请将下面这段话翻译成英文：

珙桐

珙桐为中国特有的单属植物，属孑遗植物，国家一级重点保护野生植物，世界著名的观赏植物。珙桐喜欢生长在海拔1500-2200米的润湿常绿落叶阔叶混交林中，空气阴湿，潮湿多雨，喜中性或微酸性腐殖质深厚的土壤。珙桐分布广泛，例如陕西、湖北、湖南、贵州等地。

　　参考译文

Davidia involucrata Baill

As single species genus and relict plant specific to China, Davidia involucrata Baill is a national first-class protected wild plant and world-famous ornamental plant. It grows well in wet deciduous and evergreen broadleaved forests at an elevation of 1,500-2,200 meters, with damp and rainy conditions and neutral or slightly acid soil with deep humus. Davidia involucrata Baill is found in Shaanxi, Hubei, Hunan, and Guzhou, etc.

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