Literally, “four species.” The Torah specifies four species to bring together on Sukkot. The four species are: lulav (branches of palm trees), etrog (citron), hadasim (myrtle branches), and aravot (willows) (Leviticus 23:40). Tu BiShvat Hebrew Spelling אַרְבַּעַת הַמִּינִים Learn More Sukkot, Diversity, and Unity: How Each of Us Is Like the Four Species