在广西十万大山中有一种名叫狭叶坡垒的珍贵龙脑香科植物,它的木材又硬又重、富含抗老化物质、耐腐力极强,用它制做的建筑和家具经久耐用,当地称其“万年木”。狭叶坡垒有着重要的科研、经济、社会和文化价值。它是中国热带季节性雨林的代表性树种之一,也是我国的特有种,属第三纪残留种,仅分布于广西 In Guangxi Shiwandashan, there is a rare dicotyledonous fragrant plant named Xiaobailian, whose wood is hard and heavy, rich in anti-aging substances, strong in corrosion resistance, and the building and furniture made of it Durable, local call it “years wood ”. Narrow slope has important scientific, economic, social and cultural values. It is one of the representative species of tropical seasonal rainforest in China and also endemic to China. It is a Tertiary residue species only distributed in Guangxi