近年,到昆明黑龙潭公园游览的人,不难发现公园左侧的池塘边,有十数株树木亭亭玉立于池畔。它们主干通直挺拔,尖塔形的树冠直冲蓝天;苍翠欲滴的枝叶雅致宜人,加上错落有致的亭、榭、回廊,互相映衬,望之常令游人注目留连。原来这树是新来云南安家落户的客人,它的名字叫池杉。我们向读者推荐这一客人,不仅它是优美的庭园观赏树,它还具有独特的生态效益和较高的经济价值。池杉极耐水湿,长期 In recent years, people who visit Kunming Black Dragon Pool Park can easily find the pond on the left side of the park with over a dozen trees standing beside the pool. Their trunk straight upright, steeple-shaped canopy straight into the sky; lush foliage elegant and pleasant, with patchwork pavilions, pavilions, corridors, against each other, hope often to attract attention of visitors. The original tree is a new arrival settled in Yunnan guests, its name is Ipomoea. We recommend this guest to the reader, not only is it a beautiful ornamental tree garden, it also has a unique ecological benefits and high economic value. Iwatus extremely wet, long-term