欧宝娱乐

“Bean mentions that the tree does not flower until 30 to 40 years of age. American references have stated 10 to 14 years. All authors, including this one, tend to pass along time-honored information without determining, first hand, the actual response in question.”
― Michael Dirr, Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propogation and Uses

“As I grow wiser and more skeptical, I realize that almost everything in nomenclature comes full circle. The question remains whether I can outlast the taxonomists.”
― Michael A. Dirr, Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses