Vakhmatine [1] and the new diterpenoid alkaloid 13-0-acetylvakhmatine [31 have been isolated from the polar alkaloidal fractions of the seeds of Consolida ambigua, together with ajacine, delcosine, gigactonine, and takaosamine. Structure 3 has been established on the basis of spectroscopic data and chemical correlation with 1. © 1995, American Chemical Society. All rights reserved.