How to pronounce “goldenrod”(noun) in English

And on that trip, for instance, he actually encounters a-a-a-a flower growing on the beachthat looks like goldenrod. And Houghton beside being a geologist and a doctor was also an amateur biologist and he recognized that the goldenrod looked funny so he brought somesamples home and he showed them to a friend of his named Zina Pitcher who is also I think a professor at U of M and he said, "Yes, that is a previously unidentified goldenrod." So