Description from
Flora of China
Hemerocallis disticha Donn ex Sweet; H. fulva var. longituba (Miquel) Maximowicz; H. longituba Miquel.
Plants deciduous in winter. Perianth single, orange to reddish orange or rose; tube to 4 cm, rather slender; segments 5--11 cm, outer ones 0.5--2.0 cm wide, inner ones slightly longer than outer, 1--2.5 cm wide. 2 n = 22.
Long cultivated. Not known in the wild in China [Japan, Korea].
