It was made from the tamarisk of al-Ghabah, meaning the pulpit of the Prophet ﷺ.
حدثنا سفيان عن أبي حازم
كان من أثل الغابة يعني منبر النبي ﷺ
No references are available.
Its isnad is sahih, and it is found in Bukhari with similar wording in the chapter on prayer, 1/486, no. 377, and Muslim in the chapter on mosques, 1/386, no. 544, and Abu Dawud, 1/283, no. 1080, and Nasai, 2/57, no. 739, in the chapter on mosques, and Darimi, 1/321, no. 1258, and Humaydi, 2/413, no. 926.