So, how does damiana propagate in nature? "Maybe the conditions for seed germination are very specific and furthermore, they are unknown." says Jose Luis Leon de la Luz, a botanist affiliated with the CIB.
與該研究中心相關的植物學家魯斯也說，「大自然中種子萌芽的條件，受到非常多因素的控制，遺憾的是，我們尚未找出關鍵點！」