The garden also features a malabar chestnut, which is best known to people in Taiwan as the tree that you tie bows to in hopes of becoming rich. The papermaker has a different use for this tree--the root extract is used throughout Taiwan as a pulp additive.
每一種植物都跟紙有關，桑樹是中國銀票的紙漿來源，宣紙用的是蕘花；至於常被打上蝴蝶結當做發財樹的馬拉巴慄，其根部的的萃取液則是台灣普遍使用的抄紙助料。