Disclosed herein is a Senecio plant named 'Sunsenerapi' being of a high height and dome-shaped plant with abundant branching. There are moderate pubescences on its stem. Petiole length is longer than in Senecio L. It has a large flower cluster. Capitula are single flowered and have no marginal variegation. The color of the ray floret is light purplish pink and the disk florets are strong reddish purple. Blooming term is longer than Senecio cruentus. Flower buds grow one after another from axil.