珍稀树种广西火桐迁地保护首次开花

Core Viewpoint - The successful flowering of the critically endangered Guangxi Fire Paulownia in Nanning Tree Garden marks a significant achievement in conservation efforts for this rare species, highlighting its ecological importance and the need for ongoing protection [1][2] Group 1: Ecological Significance - Guangxi Fire Paulownia is a unique and critically endangered tree species endemic to China, characterized by its tall trunk and "flowers before leaves" growth habit, which offers high ornamental value [1] - Its extensive root system plays a crucial role in stabilizing poor limestone soils and maintaining regional ecological balance, making it an essential ecological guardian [1] Group 2: Conservation Status - The species has a very narrow natural distribution, primarily found in the limestone areas of central to southern Guangxi, with a sparse population and significant challenges in natural regeneration [1] - It is classified as critically endangered (CR) by the International Union for Conservation of Nature and is included in China's biodiversity red list, as well as being designated as a national key protected wild plant [1] Group 3: Research and Development - The flowering of Guangxi Fire Paulownia is part of a forestry research project funded by the Nanning Tree Garden, which began in 2020 and involved the collection and preservation of 35 germplasm samples [2] - The establishment of a 30-acre introduction and acclimatization trial forest aims to provide valuable samples for studying the species' adaptability to ex-situ conservation and for developing large-scale artificial propagation methods [2]