| Family | Hemerocallidaceae (also placed in Liliaceae) |
| Scientific name | Hemerocallis × fallaxlittoralis Konta & S. Matsumoto |
| Synonyms | none |
| Common name | (Japanese common name) usugi hama-kanzo (ウスギハマカンゾウ, 薄黄浜萓草 [pale yellow color hama-kanzo (hama-kanzo = Hemerocallis fulva (L.) L. var. littorea (Makino) M. Matsuoka & M. Hotta)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Shizuoka Prefecture) |
| (Other nations) none | |
| Habitat | Seaside |
| Chromosomal number | unknown |
| Description | Leaves ca. 40-60cm long. Scapes electing ca. 1-1.5m tall. Flowers yellow tepals each ca. 7-8cm, flowering in July to August. Perennial plants. |
| Reference | Hemerocallis citrina Baroni var. vespertina (H. Hara) M. Hotta |
| Hemerocallis fulva (L.) L. var. littorea (Makino) M. Matsuoka & M. Hotta | |
| New Infraspecific Taxa and a Hybrid of Vascular Plants from Suzaki, Shimoda City, Central Japan | |
| Note | Natural hybrid of Hemerocallis citrina Baroni var. vespertina (H. Hara) M. Hotta (Japanese common name: yu-suge) and Hemerocallis fulva (L.) L. var. littorea (Makino) M. Matsuoka & M. Hotta (Japanese common name: hama-kanzo). |
| July 2008 at Tsukuba Botanical Garden |
July 2008 at Tsukuba Botanical Garden |
| March 2009 at Tsukuba Botanical Garden |