بُطْمٌ (Ṣ, Ḳ) and بُطُمٌ, (Ḳ,) the latter allowable accord. to IAạr, (TA,) The حَبَّة خَضْرَآء [or fruit of the terebinth-tree, to which this latter appellation is given in the present day, i. e., of the pistacia terebinthus of the botanists]; (Ṣ, Ḳ;) so accord. to the people of El-ʼÁliyeh; and the like is said on the authority of Aṣ: (TA:) or the tree thereof; (Ḳ;) [which is called بُطْم in the present day;] so accord. to AḤn; and he says, but no one has told me that it grows in the land of the Arabs; but they assert that the ضِرْو [meaning the cancamum-tree, also called كَمْكَام, but said by IAạr to be the حبّة خضراء,] is nearly like it: (TA:) its fruit is heating, diuretic, strengthening to the venereal faculty, good for the cough, and for the [disease of the face called] لَقْوَة, and for the kidney; and the overspreading of the hair with its dry and sifted leaves causes it to grow, and beautifies it. (Ḳ.)