The lulav (לולב)'s a closed frond of the date palm tree. It's one of the arba'ah minim (ארבעה מינים, four species) used in the morning prayer services during the Jewish holiday of Sukkot. The other species are the hadass (myrtle), aravah (willow), and etrog (citron). Codification in the Torah The Torah mentions the commandments to obtain a lulav for the Sukkot holiday once in Leviticus: Leviticus 23:40 » ו&… (More on Lulav)