Humulus lupulus var. cordifolius




Family Cannabaceae
Scientific name Humulus lupulus L. var. cordifolius (Miquel) Maximovicz
Synonyms Humulus cordifolius Miquel
Common name (Japanese common name) kara-hana-sou [Chinese flowers weed]
(English common name) Japanese hop
Distribution (Japan) Hokkaido, Honshu (north of Central region)
(Other nations) none
Chromosomal number 2n=20
Description Leaves 4-12cm length, 4-11cm width. Flowers female green, flowering in September to October. Vine. Perennial plants.
Reference Humulus lupulus L. var. cordifolius (Miq.) Maxim.
Humulus lupulus Linnaeus
Cyclohexane-1,3-dione derivatives, their preparation and herbicides containing these compounds (US Patent 4728357/1988)
Preservation of hop plants and plant material (US Patent 5798150/1998)
Genetic variety identifying method in hops (US Patent 5948650/1999)
Method for preservation of hop plants and hop plant material (US Patent 5985063/1999)
Moistened cosmetic eye treatment fads (US Patent 6159487/2000)
Hair lotion useful for treatment of hair loss and stimulating hair growth (US Patent 6447762/2002)
Method of killing protozoa (US Patent 6352726/2002)
Single-dose quick-dissolving cleansing agent with medicinal properties (US Patent 6664225/2003)
Anti-stress composition intended for incorporation mainly in nutritional vehicles (US Patent 6576252/2003)
Process for manufacturing a toilet training article (US Patent 6911228/2005)
Bioactive compositions derived from humulus lupulus (US Patent 7144590/2006)
Farnesyl pyrophosphate synthase proteins, nucleic acids and promoter regions therefor (US Patent 7091019/2006)



Male plants


September 2006
at mountane foreast edge
September 2006
at mountane foreast edge
September 2006
at mountane foreast edge



Female plants


September 2006
at Koishikawa Botanical Garden
September 2006
at Koishikawa Botanical Garden
September 2006
at Koishikawa Botanical Garden


September 2006
at Koishikawa Botanical Garden
September 2006
at Koishikawa Botanical Garden
September 2006
at mountane forest edge