Equisetum variegatum

Family Equisetaceae
Scientific name Equisetum variegatum Schleicher ex F. Weber & D. M. H. Mohr
Synonyms Equisetum tenue Sprengel; Hippochaete variegata (Schleicher) Bruhin
Common name (Japanese common name) chishima-hime-dokusa [Chishima Islands dwarf grinder weed], hime-dokusa [dwarf grinder weed]
(English common name) variegated scouringrush
Distribution (Japan) Hokkaido
(Other nations) Russia, Northern Europe, Canda, USA
Chromosomal number 2n=216
Description Plants 10-30cm. Single strobiles at top each 5-12mm length. Evergreen.
Reference Equisetum variegatum Schleicher ex F. Weber & D. Mohr
Equisetum variegatum Schleich. ex F. Weber & D.M.H. Mohr
Herbicidal mixture of a benzofuranyl methanesulfonate and a substituted pyridazone (US Patent 3933460/1976)
Herbicidal mixture of a pyrozolium salt and benzothiadiozinone derivative (US Patent 3935000/1976)
Herbicide mixture of lower alkyl esters of N-benzoyl-N-chlorophenyl-2-amino-lower alkanoic acids and 3-lower alkyl-2,1,3-benzothiadiazinone-(4)-2,2-dioxides or salts thereof (US Patent 3976468/1976)
O-aminosulfonylglycolic amides (US Patent 4009192/1977)
Herbicide (US Patent 4021223/1977)
1-Polyfluoroalkoxyphenyl-4-substituted-5-halopyridazones-6 and herbicidal uses thereof (US Patent 4077797/1978)
Herbicidal compositions (US Patent 4140517/1979)
O-Aminosulfonylglycolic anilides (US Patent 4219494/1980)
Method for preparing a substance having properties against collagen diseases and products obtained (US Patent 4206222/1980)
Classification language and method (US Patent 4731021/1988)
Composition for the treatment of acne (US Patent 4803069/1989)
Limulus test-positive plant glycolipid and method of stimulating the immunity system of an animal (US Patent 5236709/1993)
N-acyldihydroquinoline derivatives, a method for producing the same and their use as herbicides (US Patent 5354729/1994)
LPS-containing analgesics and veterinary analgesics (US Patent 5281583/1994)
Composition and method for visibly reducing the size of skin pores (US Patent 5472699/1995)
Biphenyl derivatives and their use as herbicides (US Patent 5424275/1995)
Method for the stimulation of the immune system of an animal by use of limulus test-positive plant glycolipid (US Patent 5382430/1995)
Herbal composition for hemorrhoid treatment (US Patent 5869059/1999)
Increasing yield of extractable substances from botanicals with an enzyme composition (US Patent 6099844/2000)
Pharmaceutical preparation for the treatment of gastrointestinal ulcers and hemorrhoids (US Patent 6365198/2002)
Optically active uracil compounds (US Patent 6391826/2002)
Weeding method with sodium hydrogen carbonate (US Patent 6589911/2003)
Pyridazin-3-one derivatives, their use and intermediates for their production (US Patent 6869913/2005)
Herbicide compositions and weedkilling method using the same (US Patent 7144842/2006)
Pyridone compounds useful for producing pyridine compounds (US Patent 7223862/2007)
Plant extracts for treatment of angiogenesis and metastasis (US Patent 20060228426)
Plant extracts and dermatological uses thereof (US Patent 20070122492)
Method for proliferating plant of family Equisteaceae of Pteridophytes (Japanese Patent JP2808517/1998)
Tea, kit and method for treating hemorrhoids (WIPO Patent WO/1997/025997)
Method to increase stress tolerance in plants (WIPO Patent WO/2004/090141)
Orally available light-independent antineoplastic compounds (WIPO Patent WO/2008/002460)
Note Rare species.

September 2007
at Tsukuba Botanical Garden
September 2007
at Tsukuba Botanical Garden