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池杉又名池柏,落叶乔木,原产北美南部。它生长快,材质好,抗性强,树形美,是良好的用材树种,也是优美的观赏树种。池杉于本世纪初引入我国南京、南通及河南鸡公山等地。现在,长江流域和江南的许多地区已广泛引种栽培。如武汉东湖风景区,条条池杉林带,延绵数里,极为壮观。昆明植物所1975年从武汉引入不盈尺的一年生小苗、栽于水生区和百草园内,现已成林,部分植株的根部,还出现根膝,即在侧根上部隆起,垂直向上,这种现象在低湿地区较为明显。
Ipomoea cinnabarinus, also known as pool cypress, deciduous tree, native to North America, southern. It grows fast, good material, strong resistance, beautiful tree, is a good timber species, but also beautiful ornamental tree species. Ikeda was introduced to our country in Nanjing, Nantong and Jigong Mountain in Henan Province at the beginning of this century. Now, many areas in the Yangtze River Basin and the southern part of the Yangtze River have been widely introduced and cultivated. Such as the East Lake Scenic Area in Wuhan, a section of Taiwan fir forest belt, stretches for several years, is extremely spectacular. Kunming Institute of Botany in 1975 introduced from the non-profit-footed annual seedlings planted in the aquatic area and Baicao Park, has now become a forest, some plant roots, but also the root knee, that is, uplift in the lateral root, vertical upward, this Phenomenon in low humidity area is more obvious.