Narrated Sa`id bin Al-Musaiyab: That his father was amongst those who had given the Pledge of allegiance (to the Prophet) beneath the Tree, and the next year when they went towards the Tree, they were not able to recognize it.

Narrated Sa`id bin Al-Musaiyab: That his father said, "I saw the Tree (of the Ar-Ridwan Pledge of allegiance and when I returned to it later, I was not able to recognize it. (The sub--narrator MahmiJd said, Al-Musaiyab said, 'Then; forgot it (i.e., the Tree).)"