A whole grain is a grain of any cereal and pseudocereal that contains the endosperm, germ, and bran, in contrast to refined grains, which retain only the endosperm.
African rice in its inedible husk (seed rice, will sprout)
The same rice, dehusked (whole grain rice, colour varies by variety)
The same rice, with almost all bran and germ removed to make white rice
A grain is a small, hard, dry fruit (caryopsis) – with or without an attached hull layer – harvested for human or animal consumption. A grain crop is a grain-producing plant. The two main types of commercial grain crops are cereals and legumes.
Various food grains at a market in India.
Harvesting a cereal with a combine harvester accompanied by a tractor and trailer.
Cereal grains: (top) pearl millet, rice, barley (middle) sorghum, maize, oats (bottom) millet, wheat, rye, triticale
Cereal grain seeds clockwise from top-left: wheat, spelt, oat, barley.