Hemerocallis citrina var. vespertina




Family Hemerocallidaceae (also placed in Liliaceae)
Scientific name Hemerocallis citrina Baroni var. vespertina (H. Hara) M. Hotta
Synonyms Hemerocallis citrina Nakai, non Baroni; Hemerocallis coreana Nakai; Hemerocallis flava var. coreana (Nakai) M. Hotta; Hemerocallis serotina Focke; Hemerocallis sulphurea Nakai; Hemerocallis thunbergii sensu Baker, non Barr; Hemerocallis vespertina H. Hara
Common name (Japanese common name) yu-suge (ユウスゲ, 夕萓 [maening: late day-lily]), ki-suge (キスゲ, 黄萓 [meaning: yellow day-lily]), asama-ki-suge (アサマキスゲ, 浅間黄萓 [meaning:  Asama Highland yellow day-lily])
(English common name) Thunberg's lily, late yellow day-lily
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) Korea, China
Habitat Mountane fields
Chromosomal number 2n=22 (2x)
Description Roots many and long but not expands. Leaves distichous fascicled, linear, non hair, ascending and droops at the top, 40-60cm long, 7-13mm wide. Scapes electing 1-1.4m tall. Flowers pedicels 2-15mm long, corolla tubes 27-32mm long, 6 lemon yellow perianths each 6.5-7.5cm, flowering in mid July to mid August (in nighttime: 15:00 through 10:00). Fruits ca. 2cm long, seeds 5mm long. Perennial plants.
Reference Hemerocallis citrina Baroni var. vespertina (H. Hara) M. Hotta
Hemerocallis citrina Baroni
Multiple Origins of the Japanese Nocturnal Hemerocallis citrina var. vespertina (Asparagales: Hemerocallidaceae): Evidence from Noncoding Chloroplast DNA Sequences and Morphology [PDF]
Isolation, purification, characterization, cloning and sequencing of N alpha-acetyltransferase (US Patent 5128459/1992)
Identification of methionine Nα-acetyltransferase (US Patent 5223421/1993)
Isolated DNA Encoding plant histidinol dehydrogenase (US Patent 5290926/1994)
Tissue-preferential promoters (US Patent 5466785/1996)
Disease resistance gene from maize and its use for disease resistance as a selectable marker and as a gene identification probe (US Patent 5589611/1996)
Antimicrobial peptides (US Patent 5856127/1999)
Process and apparatus for the genetic transformation of cells (US Patent 5877023/1999)
High lysine derivatives of α-hordothionin (US Patent 5990389/1999)
Plant peptide transport gene (US Patent 6080542/2000)
Genetic and epigenetic manipulation of ABC transporters and ectophosphatases for the conference of hormone and herbicide resistance (US Patent 6448472/2002)
Foliar fertilizer and method for using the same (US Patent 6475258/2002)
Stable transformation of plant cells (US Patent 6570067/2003)
Cystine derivative and agent for suppressing activation of inflammatory factors (US Patent 6914075/2005)
Antihelminthic anthraquinones and method of use thereof (US Patent 6903076/2005)
Anticancer anthraquinones and method of use thereof (US Patent 6875746/2005)
Recombinant Bacillus phytases and uses thereof (US Patent 7339091/2008)
Note Recent DNA analysis and examination shows that Hemerocallis citrina var. vespertina (yu-suge) under traditional and current normenculture might be incorrect. Yu-suge in Japan may be a complicated mixture of different species.



July 2008
at Mt. Kurumayama
July 2008
at Mt. Kurumayama
July 2008
at Mt. Kurumayama



July 2007
at Tsukuba Botanical Garden
July 2007
at Tsukuba Botanical Garden
July 2007
at Tsukuba Botanical Garden



July 2005
at high marsh in Mt. Haruna
July 2005
at high marsh in Mt. Haruna
July 2005
at high marsh in Mt. Haruna



July 2005
at high marsh in Mt. Haruna
July 2005
at high marsh in Mt. Haruna
July 2005
at high marsh in Mt. Haruna



August 2008
at Tsukuba Botanical Garden
August 2008
at Tsukuba Botanical Garden



March 2009
at Tsukuba Botanical Garden