Geranium thunbergii




Family Geraniaceae
Scientific name Geranium thunbergii Siebold ex Lindley & Paxton
Synonyms Geranium nepalense auct., non Sweet; Geranium nepalense Sweet forma japonica Maximovicz; Geranium nepalense Sweet subsp. thunbergii (Siebold ex Lindley & Paxton) H. Hara; Geranium nepalense Sweet var. thunbergii (Siebold ex Lindley & Paxton) Kudô; Geranium nepalense Sweet var. thunbergii (Siebold ex Lindley & Paxton) Kudô forma glabratum (Hara) Hara; Geranium nepalense Sweet var. thunbergii (Siebold ex Lindley & Paxton) Kudô forma roseum (Nakai) Hara; Geranium thunbergii Siebold ex Lindley & Paxton forma roseum (Hara) Murata; Geranium thunbergii Siebold ex Lindley & Paxton forma glabratum (Hara) Murata; Geranium thunbergii Siebold ex Lindley & Paxton var. glabratum Hara; Geranium thunbergii Siebold ex Lindley & Paxton var. roseum Nakai
Common name (Japanese common name) gen-no-shouko (ゲンノショウコ, 現ノ証拠 [meaning: real evidence])
(English common name) Thunberg's geranium
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) Korea, China, Taiwan
Habitat Roadside, forest edge
Chromosomal number 2n=28
Description Plants 30-70cm tall. Leaves 3-7cm wide. Flowers white, pink or red 1-1.5cm across, flowering in July to October. Pelennial plants.
Reference Geranium thunbergii Siebold ex Lindl. & Paxton
Dyed textile products and a method of producing them (US Patent 5221289/1993)
Antiviral agent containing crude drug (US Patent 5411733/1995)
Cell growth accelerator and cell growth method using the same (US Patent 6333193/2001)
Insecticide obtained from plants for use on termites (US Patent 6641827/2003)
Hair dye and hair-dyeing methods using the same (US Patent 6656229/2003)
Hair dye and hair-dyeing methods using the same (US Patent 6849096/2005)
Sugar beet genes involved in stress tolerance (US Patent 7227053/2007)
Method for modifying plant morphology, biochemistry and physiology (US Patent 7259296/2007)
Gene and uses therefor to modify pasture qualities of crops (US Patent 7244599/2007)
Note Geranium nepalense var. thunbergii auct, non (Siebold ex Lindley & Paxton) Kudô is a synonyms of Geranium ibericum Cavanilles.



October 2007
at lowland forest edge
September 2007
at mountane roadside
September 2006
at edge of forest



October 2007
at Koishikawa Botanical Garden
September 2006
at edge of forest
September 2006
at edge of forest



August 2006
at edge of forest



September 2007
at mountane roadside
September 2007
at mountane roadside