Newborn sprouts just out from their seeds can suspend growth for up to 30 days if their environs turn risky, such as during Indian summers, in winter or in untimely droughts.

• 如果说环境变得险恶，好比说碰上秋老虎、寒冬或是不凑巧的乾旱，刚从种子发出的新芽可以停止生长达30天之久。