The small nut has a thick shell with deep grooves enclosing an oily, edible seed. Some cultivars are huskless, and are grown only for their edible seed. Inside the shell is the edible seed, commonly called a nut. The edible seed oil may be used in condiments or dressings. The edible seed oil is a source of polyunsaturated fatty acids. The palm kernel is the edible seed of the oil palm fruit. The edible seed is a grain (caryopsis) long and thick. An edible seed is a seed that is suitable for human or animal consumption. Pepita, or pumpkin seed, is the edible seed of pumpkins or related squashes.