Clematis vines produce a variety of different flowers depending on the species of clematis you choose. For example, Clematis Little Lemons produces small citrus-colored bell-shaped flowers in a nodding form. Striking Taiga Clematis opens with large, ruffled flowers in multiple layers and an eye-catching purple color. Clematis Beautiful Bride features a large, classic, disc-shaped flower of pure white with pretty eye-catching centers. In short-the clematis genus is truly varied! Most clematis are easily identified thanks to their delicate, twining stems and attractive rich green foliage.