'Wheat' in the Bible

“They have planted wheat but have reaped thorns;They have exhausted themselves but without profit.So be ashamed of your harvestBecause of the fierce and raging anger of the Lord.”

The prophet who has a dream may tell his dream; but he who has My word, let him speak My word faithfully. What has straw in common with wheat [for nourishment]?” says the Lord.

But ten men who were among them said to Ishmael, “Do not kill us! We have stores of wheat and barley and oil and honey hidden in the field.” So he stopped and did not kill them along with their companions.