Cardamine flexuosa

Family Brassicaceae
Scientific name Cardamine flexuosa Withering
Synonyms Barbarea arisanensis (Hayata) S. S. Ying; Cardamine arisanensis Hayata; Cardamine debilis D. Don, not Banks ex de Candolle;
Cardamine flexuosa subsp. debilis O. E. Schulz; Cardamine flexuosa subsp. debilis var. occulata (Hornemann) O. E. Schulz; Cardamine flexuosa var. debilis (O. E. Schulz) T. Y. Cheo & R. C. Fang; Cardamine flexuosa var. ovatifolia T. Y. Cheo & R. C. Fang; Cardamine hirsuta L. var. flaccida Franchet; Cardamine hirsuta L. subsp. flexuosa (Withering) J. D. Hooker; Cardamine hirsuta L. var. omeiensis T. Y. Cheo & R. C. Fang; Cardamine hirsuta L. var. sylvatica (Link) Syme; Cardamine konaensis St. John; Cardamine occulata Hornemann; Cardamine scutata Thunberg subsp. flexuosa (Withering) H. Hara; Cardamine sylvatica Link; Cardamine zollingeri Turczaninow; Nasturtium obliquum Zollinger
Common name (Japanese common name) tane-tsuke-bana (タネツケバナ, 種付花 [meaning: rice seeding season flowers])
(English common name) woodland bittercress
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa
(Other nations) worldwide
Habitat Rice paddy, roadside, wet field
Chromosomal number 2n=32
Description Plants electing 10-30cm tall. Leaves leaflets 1-6mm wide. Flowers white petals each 3-4mm long, flowering in March to May (sometimes in all seasons). Winter anual plants.
Reference Cardamine flexuosa With.
Cardamine flexuosa Withering
Herbicidal composition containing a derivative of 1,2,4-triazole as an active ingredient (US Patent 4795484/1989)
Pyrazole derivatives useful as a herbicidal component (US Patent 4230481/1980)
Herbicidal 2-(1,3,5-1H-triazin-2-one)-tetrahydrobenzothiazole derivatives, and compositions therefor (US Patent 4551168/1985)
Oxazoline compounds and herbicides containing the same (US Patent 4973351/1990)
Halogen-containing compounds, herbicidal composition containing the same as an active ingredient, and intermediary compounds therefor (US Patent 5262385/1993)
Substituted benzene compounds, process for their preparation, and herbicidal and defoliant compositions containing them (US Patent 6355799/2002)
Diaryl ethers and processes for their preparation and herbicidal and desiccant compositions containing them (US Patent 6479435/2002)
Benzohydrazide derivatives as herbicides and desiccant compositions containing them (US Patent 6770597/2004)
Polynucleotides and polypeptides that confer increased biomass and tolerance to cold, water deprivation and low nitrogen to plants (US Patent 7196245/2007)
Food, medicine and method relating to Bifidobacterium proliferation promoting action, allergy preventive action and human cholesterol lowering action (US Patent 20030165557)

March 2007
at rice paddy
March 2007
at rice paddy

March 2006
at rice paddy
March 2006
at rice paddy