Question: Decinnamoyltaxinine J is a derivitive of a conifer native to where?
Sentence (from "Pseudotsuga macrocarpa"): Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California, It is notable for having the largest (by far) cones in its "Pseudotsuga" genus, hence the name.
Relevant evidence: No