The Sidr tree is an ancient tree also known as Lote tree, Christ's Thorn, Jujube or Nabkh tree. It is believed that the Jujube fruit was the first thing Prophet Adam (peace be upon him) ate when he was made to descend to earth. The tree was also used during the time of King Suleiman (peace be upon him) and the Pharaohs to build palaces and temples.

This highly resilient tree is also sacred as it is mentioned four times in the holy Qur'an. In Sura Saba, it is mentioned as an earth tree while in other Suras, it is mentioned as a paradise tree (Sidrat al-Muntaha). Allah has mentioned this tree to emphasize its beauty, strength and grandeur (Saba 15, 16; Waqia 27-33; Najm 7-18).

Being sturdy and deep-rooted, the Sidr tree grows in coastal, desert and semi-desert areas. It grows extensively in the eastern part of Yemen. It can also be found in India, Pakistan, Ethiopia, Egypt, Libya, Sudan and the southern part of the Arabian Peninsula. The average tree size is normally between 7-8 metres high. Branches are soft with gray-yellow colour. Flowers of the plant are yellow and it has round and yellowish fruits which turn to reddish color when mature.

All of the parts of the Sidr tree have medicinal values. Its leaves are used as a herbal shampoo, to treat dandruff, head lice, swollen eyes, abscesses, furuncles and counter obesity. Mixed with warm water, the leaves are used to clean the body since they are a disinfectant. The oil from the resin is deodorant. Its wood ash is used for the treatment of snakebites. Its fruits are found to have very high-energy value. Its seeds are rich in protein while its leaves are rich in calcium, iron and magnesium. The root and stem bark are also used in various medicinal preparations. Other known medicinal uses include as a stomachic, an appetizer, an astringent and also as a cough medicine.