The forest floor in virgin mixed forests is carpeted with a thick layer of fallen leaves, but for yew seeds to germinate they must first have the luck to fall onto a batch of bare soil without accumulated fallen leaves, where they must first lie dormant for two years.
原始針、闊葉林裡，落葉層深厚，紅豆杉種子則必需幸運落在未長雜草、未堆落葉的土質上經過兩年的長期休眠。