oblong leaf (noun)

1. The old haunted mansion had oblong leaves scattered across its yard, adding an eerie touch to the scene.

2. In the novel, the author vividly described the oblong leaf of the rare plant that held a hidden clue to the mystery.

3. Archaeologists discovered oblong leaves preserved in ancient Egyptian tombs, indicating their significance in rituals or medicinal practices of that time.

4. The artist skillfully portrayed the delicate veins of the oblong leaf in a stunning watercolor painting.