Uktzim (Hebrew: עוקצים ʿUq'ṣim, "Stems") is the last volume (or "tractate") of the Order of Tohorot in the Mishnah. It is the last tractate in the Mishnah. It consists of three chapters. Uktzim describes the various forms of tumah having to do with fruits' and vegetables' external parts such as stems and peels.
- Link to the Jewish Encyclopedia on the tractate Uktzim