Eight minor taxanes have been identified for the first time in Taxus canadensis needles. Four of these metabolites are new taxane analogues: 7-acetyl-10-deacetyltaxol (1), 2'-acetyl-7-epi-cephalomannine (2), 10-deacetyl-10-oxo-7-epi-cephalomannine (3), and 10-acetylglycollylbaccatin VI (4).