Small Mustard Seeds ( OTHER MUSTARD SEEDS W/N BROKEN ) Mustard Seeds are the small round seeds of various mustard plants. The seeds are usually about 1 to 2 millimetres in diameter and may be colored from yellowish white to black. They are an important spice in many regional foods and may come from one of three different plants: black mustard (Brassica nigra), brown Indian mustard (B. juncea), or white/yellow mustard (B. hirta/Sinapis alba).
