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国家二级保护树种坡垒（ＨｏｐｅａｈａｉｎａｎｅｎｓｉｓＭｅｒｒ．ｅｔＣｈｕｎ）原产海南岛。在西双版纳勐仑热带植物园迁地栽培，年平均增高０．４４～０．９ｍ，胸径加粗０．５４～１．３１ｃｍ，比原产地野生或其他迁地保护地区的植株生长快。花期８～１０月，果熟期翌年３～５月。种子发芽率达９６．７％。经多年观察，未见寒害和严重的病虫害。已繁衍了３代并扩大种植２８４株，说明坡垒在西双版纳热带植物园迁地保护获得成功。
Hopeahainanensis Merr.etChun, a national secondary protected species, is native to Hainan Island. In Xishuangbanna Menglun Tropical Botanical Garden relocated to the ground, with an average annual increase of 0.44 ~ 0.9m, breast diameter bold 0.54 ~ 1.31cm, than the origin of wild or other ex-situ plant growth faster. Flowering from August to October, the fruit ripening period from March to May. Seed germination rate of 96.7%. After years of observation, no chills and serious pests and diseases have been found. Three generations have been multiplied and 284 plants have been expanded, demonstrating the success of Beilian relocation in Xishuangbanna Tropical Botanical Garden.