Equisetum hyemale

Family Equisetaceae
Scientific name Equisetum hyemale L.
Synonyms Equisetum alpinum Schur; Equisetum hyemale L. var. capillare (Hy) Rouy; Equisetum hyemale L. var. ramigerum (Milde) Rouy; Equisetum zonatum K├╝mmerle; Hippochaete hyemalis (L.) Bruhin; Presla hyemalis (L.) Dulac
Common name (Japanese common name) tokusa [grinder grass]
(English common name) common horsetail, scouring rush horsetail, tall scouring rush
Distribution (Japan) Hokkaido, Honshu (north of Central region)
(Other nations) Eurasia, Canada, USA, El Salvador, Guatemala
Chromosomal number n=108, 2n=216
Description Plants 30-100cm. Single strobiles each 0.7-3cm length. Evergreen. Perennial Plants.
Reference Equisetum hyemale L.
Equisetum hyemale subsp. affine (Engelmann) Calder & Roy L. Taylor
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)
Composition for administration to patients with chronic fatigue syndrome and acquired immune deficiency syndrome (US Patent 5919460/1999)
Increasing yield of extractable substances from botanicals with an enzyme composition (US Patent 6099844/2000)
Compositions comprising equisetum and symphytum and methods for the treatment of symptoms associated with mycoplasma infection (US Patent 6416792/2002)
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)
Method for proliferating plant of family Equisteaceae of Pteridophytes (Japanese Patent JP2808517/1998)
Cosmetic composition containing moisture-retentive plant extract (Japanese Patent JP2000053557)
Tea, kit and method for treating hemorrhoids (WIPO Patent WO/1997/025997)
Method to increase stress tolerance in plants (WIPO Patent WO/2004/090141)
Compositions containing botanical extracts rich in Phlorizin and methods for using such compositions in blood glucose modification and to affect aging (WIPO Patent WO/2006/078848)

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

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