Apple in the Bible

Proverbs 25:11 A word fitly spoken is like apples of gold in pictures of silver.
Song of Solomon 2:3 As the apple tree among the trees of the wood, so is my beloved among the sons. I sat down under his shadow with great delight, and his fruit was sweet to my taste.
Song of Solomon 2:5 Stay me with flagons, comfort me with apples: for I am sick of love.
Song of Solomon 7:8 I said, I will go up to the palm tree, I will take hold of the boughs thereof: now also thy breasts shall be as clusters of the vine, and the smell of thy nose like apples;
Song of Solomon 8:5 Who is this that cometh up from the wilderness, leaning upon her beloved? I raised thee up under the apple tree: there thy mother brought thee forth: there she brought thee forth that bare thee.
Joel 1:12 The vine is dried up, and the fig tree languisheth; the pomegranate tree, the palm tree also, and the apple tree, even all the trees of the field, are withered: because joy is withered away from the sons of men.