Bamboo cypress, bamboo cypress (scientific name: Luo Hansong Nagi (thunb. )Zoll。 More and more. ) is another name: coconut tree, arhat tree, rafter tree, fir tree, sugar chicken, boatman tree, baofang tree, ironclad tree, pig liver tree, big-fruited bamboo cypress, and bamboo tree of Podocarpaceae. Bamboo and cypress are ancient gymnosperms, which originated in Mesozoic Cretaceous about 65.438+0.55 billion years ago and are called living fossils.