Description from
Flora of China
Lilium giganteum Wallich, Tent. Fl. Napal. 21. 1824.
Stem green, 1.5--3 m. Tepals adaxially streaked with purple, abaxially greenish. 2 n = 24*.
Forests, hillsides; 2300--2900 m. S Xizang [Bhutan, NE India, Myanmar, Nepal, Sikkim].