Flax (also known as common flax or linseed).
Flaxseeds occur in two basic varieties: brown and yellow or golden (also known as golden linseeds). Most types have similar nutritional characteristics and equal numbers of short-chain omega-3 fatty acids.
A 100-gram portion of ground flaxseed supplies about 534 calories, 41 g of fat, 28 g of fiber, and 20 g of protein.[