In Yunnan there is a "blue sky" rhododendron which is "the most beautiful blue in the world," as rhododendron researcher Yang Shao-pu says with as much conviction as Zhao Chengde of the Tang dynasty, who admired white rhododendrons, with their skin of ice and bones of jade, for staying aloof from the competition of gaudy colors between other mountain flowers.
雲南有一種稱作「藍天」的杜鵑，「是全世界最漂亮的藍色！」楊紹溥說的肯定，如唐朝人趙成德詠白杜鵑，說它冰肌玉骨，不與山花鬥豔妝，誰也無法反駁他們的主觀感受。