The sunflower seed is the seed of the sunflower (Helianthus annulus). There are three types of commonly used sunflower seeds: linoleic (most common), high oleic, and sunflower oilseeds. Each variety h...

The sunflower seed is the seed of the sunflower (Helianthus annulus). There are three types of commonly used sunflower seeds: linoleic (most common), high oleic, and sunflower oilseeds. Each variety has its own unique levels of monounsaturated, saturated, and polyunsaturated fats. Sunflower seeds are usually classified by the pattern on their husks. If the husk is solid black, the seeds are called black oil sunflower seeds..