Three new aporphine alkaloids, 7-formyldehydroovigerine, 7-formyldehydronornantenine and dehydrohernandaline, along with 10 known compounds, (+)-ovigerine, (+)-hernangerine, (+)-N-methylhernangerine, N-methyl-6,7-dimethoxyisoquinolone, hernandonine, (+)-malekulatine, isovanillin, backebergine, atheroline and ( +)-corytuberine, were isolated and characterized from the trunk bark of Hernandia sonora. The structures of these compounds were elucidated by spectral analyses.