Analysis of polar fractions of the bark extract of Jatropha neopauciflora provided two uncommon cis-fused bicyclic sesquiterpenoids, which were characterized as (1R,2R,5S,6S,7S,10S)*-5-epi-eudesm-4(15)-ene-1alpha,2beta,6alpha-triol (1) and (1R,2R,5S,6S,7R,10S)*-ax-4(15)-ene-1alpha,2beta,7beta-triol