Notholirion is a small Asian genus of bulbous plants in the lily family. It is closely related to Lilium, but each individual flowers only once, and then dies after producing offsets. The bulb is covered by a tunic. Leaves are basal, produced in autumn and winter. Species \n* Notholirion bulbiferum (Lingelsh.) Stearn - Nepal, Bhutan, Sikkim, Assam, Myanmar, Gansu, Shaanxi, Sichuan, Tibet, Yunnan \n* Notholirion koeiei Rech.f. - Iran + Iraq \n* Notholirion macrophyllum (D.Don) Boiss. - \n* Notholirion thomsonianum (Royle) Stapf - Afghanistan, Himalayas of northern Pakistan + northern India