Lulav is a closed frond of the date palm tree. It is one of the Four Species used during the Jewish holiday of Sukkot. The other Species are the hadass (myrtle), aravah (willow), and etrog (citron). When bound together, the lulav, hadass, and aravah are commonly referred to as "the lulav".

Phoenix dactylifera, commonly known as the date palm, is a flowering-plant species in the palm family, Arecaceae, cultivated for its edible sweet fruit called dates. The species is widely cultivated across northern Africa, the Middle East, Horn of Africa, Australia, South Asia, and California. It is naturalized in many tropical and subtropical regions worldwide. P. dactylifera is the type species of genus Phoenix, which contains 12–19 species of wild date palms.