Cinchona Totaquina required a minimum of 70% crystallizable alkaloids of which at least 15% was to be quinine with not more than 20% amorphous alkaloids. There are at least 24 species recognized by botanists. There are likely several unnamed species and many intermediate forms that have arisen due to the plants' tendency to hybridize. Cinchona Cinchona is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. They are native to the tropical Andean forests of western South America. A few species are reportedly naturalized in Central America, Jamaica, French Polynesia, Sulawesi, Saint
Christmas tree production in the United States million Christmas trees valued at approximately $120 million. The majority of Christmas tree production occurs in the Willamette Valley region including Benton, Clackamas, Marion, Polk and Yamhill counties. In 2015, Washington State had approximately 250 Christmas tree farms with a combined 23,000 acres, yielding 2.3 million Christmas trees valued at approximately $35 million. The majority of Christmas tree production occurs in the western and southern portions of the Puget Sound region including Kitsap, Lewis, Mason and Thurston counties. Aside from Pennsylvania, several U.S. states in the Great Lakes region are key Christmas tree producers. The two most important production areas