After your exotic Climbing Lily flower (see link for flower photo) fades you'll see an interesting seed pod develop. The seed pod that a Gloriosa Lilies will produce isn't as colorful or exotic looking as the flower but still is interesting to watch as it develops seeds. Withing a few weeks your seed pod will starting splitting at the bottom exposing round tomato-like fruits that contain the seeds you're looking for if you want to propagate by seeds.