It is rare and therefore highly coveted by pickers. Fritillaria delavayi is a plant that grows at an altitude over 3,500 meters in the provinces of Sichuan, Xunan and Yunnan (central China). The extract of its bulb is used in traditional Chinese medicine for the treatment of cough. A team of English and Chinese scientists realized that this flower camouflages itself and changes color so as not to be picked. In a given area, the more intense the harvest, the higher the level of camouflage of the