A sunflower seed having imidazolinone resistance and an oleic acid content of greater than 85 percent is provided. Sunflower cultivars designated E83329, OI1601A, OI2653R, and OI1601B and having high oleic acid and imidazolinone resistance, plants and seeds of the E83329, OI1601A, OI2653R, and OI1601B sunflower cultivars, methods for producing a sunflower plant produced by crossing the E83329, OI1601A, OI2653R, or OI1601B cultivar with itself or with another sunflower plant, and hybrid sunflower seeds and plants produced by crossing the E83329, OI1601A, OI2653R, or OI1601B cultivar with another sunflower line or plant are also provided.