The thigh adductors have their origins on the inferior ramus of the pubic bone.

http://en.wikipedia.org/wiki/Pelvis

The thigh adductors have their origins on the inferior ramus of the pubic bone and are, with the exception of gracilis, inserted along the femoral shaft. Together with sartorius and semitendinosus, gracilis reaches beyond the knee to their common insertion on the tibia.