They share a more recent ancestor with Drosera sundews, which can also curl their leaves over their prey.
它们与毛毡苔有着更近代的祖先，毛毡苔也可以将树叶卷起来盖住猎物。
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The Drosera sundew, meanwhile, has a thick, sweet liquid oozing from its leaves, which first attracts insects, then holds them fast before the leaves snap shut.