这意味着该植物区系在起源和联系上较古远，具有古南大陆的残余背景。
It means that the origin and connection with other tropical flora is quite ancient, reflecting the relict background of Gondwana flora.
武夷山脉植被地带处于泛北极植物区向古热带植物区过渡。
The vegetation zone of the Wuyishan mountain range is located in a transition between Holarctic region and Palaeotropical one.
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