[? A native S. American name, adopted as the botanical specific name.] In Calisaya bark: the most valuable sort of Peruvian Bark, obtained from Cinchona calisaya.
1837. Penny Cycl., VII. 173/2. The Carthagena yellow barks both contain quinia, but in less quantity than the Calisaya bark.
1875. H. C. Wood, Therap. (1879), 60. Calisaya or Royal Yellow Bark.
Hence Calisayine, an alkaline substance from calisaya bark, used in making a kind of bitters.