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Wasser-Knöterich - Polygonum amphibium L.
Englisch: amphibious knotweed, Colubrina, Ground-wil low, Ground willow, Heartsease, Hearts’ ease, Heart’s-ease, Heart’s ease, knotweed, Mud knotweed, Red-shank, Red-shanks, Red shank, Red shanks, Redshanks, Serpentaria, Water-willow, water knotweed, Water knot weed, Water ladysthumb, Water lady’s-thumb, Water peachwort, Water persicaria, Water polygonum, Water smart-weed, Water smartweed, Water smart weed, water snakeweed, Wa ter willoe, Water willow, Waterwillow, Willow-grass, Willow-weed, Willow grass, Willow weed, Willowweed
China: liăngqīliăo, xiāyíshŭiliăo
Russisch: горец земноводный

Synonyme dt.:
Natterwurtz
Sumpf-Knöterich
Wasser-Knöterich
Synonyme :
Chulusium amphibium (L.) Raf.
Chulusium fluitans Raf.
Persicaria aboriginum Greene
Persicaria abscissa Greene
Persicaria alismifolia Greene
Persicaria ammophila Greene
Persicaria amphibia (L.) Delarbre
Persicaria amphibia subsp. amphibia
Persicaria amphibia subsp. amurensis (Korsh.) Soják
Persicaria amphibia var. amurensis (Korsh.) H.Hara
Persicaria amphibia var. natans (Leyss.) Munshi & Javeid
Persicaria amphibia var. terrestre (L.) Delarbe
Persicaria amphibia var. terrestris (Leyss.) Munshi & Javeid
Persicaria amurensis Nieuwl.
Persicaria andrewsii Greene
Persicaria asclepiadea Greene
Persicaria canadensis Greene
Persicaria carictorum Nieuwl.
Persicaria chelanica Greene
Persicaria coccinea f. natans (Wiegand) D.Löve & J.-P.Bernard
Persicaria coccinea var. asprella Greene
Persicaria covillei Greene
Persicaria cusickii Greene
Persicaria cygnea Greene
Persicaria emersa (Michx.) Cockerell
Persicaria emersa (Michx.) Cockerell ex Daniels
Persicaria emersa var. asprella Nieuwl.
Persicaria fistulosa Greene
Persicaria fluitans Montandon
Persicaria franciscana Greene
Persicaria grandifolia Greene
Persicaria hartwrightii f. hirtuosa (Farw.) D.Löve & J.-P.Bernard
Persicaria hartwrightii f. similis (Fernald) D.Löve & J.-P.Bernard
Persicaria hesperia Greene
Persicaria homalostachya Greene
Persicaria insignis Greene
Persicaria iowensis Rydb.
Persicaria laetevirens Greene
Persicaria langloisii Greene
Persicaria laurina Greene
Persicaria lonchophylla Greene
Persicaria mesochora var. arenicola Nieuwl.
Persicaria muehlenbergii (S.Watson) Small
Persicaria muriculata Greene
Persicaria nebraskensis Greene
Persicaria novae-angliae Greene
Persicaria ophiophila Greene
Persicaria oregana Greene
Persicaria oregana var. ancoviana Nieuwl.
Persicaria otophylla Greene
Persicaria plantaginea Greene
Persicaria plattensis Greene
Persicaria porteri Greene
Persicaria propinqua Greene
Persicaria psychrophila Greene
Persicaria purpurata Greene
Persicaria remota Greene
Persicaria rothrockii Greene
Persicaria spectabilis Greene
Persicaria subcoriacea Greene
Persicaria tanaophylla Nieuwl.
Persicaria vestita Greene
Persicaria villosula Greene
Persicaria wardii Greene
Polygonum aboriginum (Greene) Fedde
Polygonum abscissum (Greene) Fedde
Polygonum alismifolium (Greene) Fedde
Polygonum ammophilum (Greene) Fedde
Polygonum amphibia subsp. amurensis (Korsh.) Soják
Polygonum amphibium L.
Polygonum amphibium f. angustifolium Kuntze
Polygonum amphibium f. aquaticum (Leers) Lindm.
Polygonum amphibium f. bugense Zapal.
Polygonum amphibium f. coenosum (W.D.J.Koch) Bruyn
Polygonum amphibium f. decumbens (Klett & Richt.) Lindm.
Polygonum amphibium f. hirtuosum (Farw.) Fernald
Polygonum amphibium f. hirtuosum Farw.
Polygonum amphibium f. maritimum (Dethard.) Bruyn
Polygonum amphibium f. natans (Moench) Asch.
Polygonum amphibium f. paludosa Bruyn
Polygonum amphibium f. polesicum Zapal.
Polygonum amphibium f. simile Fernald
Polygonum amphibium f. terrestre (Leers) Asch.
Polygonum amphibium f. terrestre Bruyn
Polygonum amphibium f. terrestris (Leers) Kitag.
Polygonum amphibium subsp. amphibium
Polygonum amphibium subsp. amurense (Korsh.) Hultén
Polygonum amphibium subsp. amurensis (Korsh.) Soják
Polygonum amphibium subsp. aquaticum Ehrh.
Polygonum amphibium subsp. aquaticum Walther
Polygonum amphibium subsp. natans (L.) Schübl. & G.Martens
Polygonum amphibium subsp. terrestre (L.) Schübl. & G.Martens
Polygonum amphibium subsp. terrestre Ehrh.
Polygonum amphibium subsp. terrestre Walther
Polygonum amphibium var. amurense Korsh.
Polygonum amphibium var. amurensis Korsh.
Polygonum amphibium var. aquaticum Leers
Polygonum amphibium var. aquaticum Wallr.
Polygonum amphibium var. aquatile Wibel
Polygonum amphibium var. brachystylum Danser
Polygonum amphibium var. coenosum W.D.J.Koch
Polygonum amphibium var. decumbens Klett & Richt.
Polygonum amphibium var. emersum Michx.
Polygonum amphibium var. fluitans Bruyn
Polygonum amphibium var. glabratum Bruyn
Polygonum amphibium var. hirtulum Bruyn
Polygonum amphibium var. longispicatum Peck
Polygonum amphibium var. macrostylum Danser
Polygonum amphibium var. marginatum Farw.
Polygonum amphibium var. maritimum Dethard.
Polygonum amphibium var. natans Leyss.
Polygonum amphibium var. natans Michx.
Polygonum amphibium var. natans Moench
Polygonum amphibium var. natans Wallr.
Polygonum amphibium var. pallidiflorum Danser
Polygonum amphibium var. palustre S.Wilcke
Polygonum amphibium var. palustre S.Wilcke ex Sadler
Polygonum amphibium var. roseiflorum Danser
Polygonum amphibium var. salicifolium Schur
Polygonum amphibium var. terrestre Leyss.
Polygonum amphibium var. terrestre S.Wilcke
Polygonum amphibium var. terrestre S.Wilcke ex Leers
Polygonum amphibium var. terrestre Wallr.
Polygonum amphibium var. terrestre Wibel
Polygonum amphibium var. terrestre Willd.
Polygonum amphibium var. vestitum Hemsl.
Polygonum amphibium var. vistulense Zapal.
Polygonum amurense (Korsh.) Vorosch.
Polygonum amurense Nieuwl.
Polygonum aquaticum A.Gray
Polygonum aquaticum A.Gray ex Meisn.
Polygonum aquaticum J.F.Lehm.
Polygonum arenicola Suksd.
Polygonum asclepiadeum (Greene) Fedde
Polygonum bistorta Walter
Polygonum canadense (Greene) Fedde
Polygonum cardiophyllum Gand.
Polygonum chelanicum (Greene) Fedde
Polygonum coccineum Muhl.
Polygonum coccineum f. natans (Wiegand) Stanford
Polygonum coccineum f. terrestre (Willd.) Stanford
Polygonum coccineum var. asprellum Fedde
Polygonum coccineum var. terrestre (Willd.) Willd.
Polygonum covillei (Greene) Fedde
Polygonum cusickii (Greene) Fedde
Polygonum fistulosum (Greene) Fedde
Polygonum franciscanum (Greene) Fedde
Polygonum grandifolium (Greene) Fedde
Polygonum hesperium (Greene) Fedde
Polygonum homalostachyum (Greene) Fedde
Polygonum insigne (Greene) Fedde
Polygonum iowense (Rydb.) Cratty
Polygonum laetevirens (Greene) Fedde
Polygonum lanceolatum Gand.
Polygonum langloisii (Greene) Fedde
Polygonum laurinum (Greene) Fedde
Polygonum lonchophyllum (Greene) Fedde
Polygonum longifolium Gand.
Polygonum muehlenbergii var. terrestre (Willd.) Trel.
Polygonum muhlenbergii f. natans Wiegand
Polygonum muhlenbergii var. natans Wiegand
Polygonum muhlenbergii var. terrestre (Willd.) Branner & Coville
Polygonum muhlenbergii var. terrestre (Willd.) Trel.
Polygonum muriculatum (Greene) Fedde
Polygonum natans (Moench) Zapal.
Polygonum natans Gueldenst.
Polygonum natans Hegetschw.
Polygonum natans Krock.
Polygonum natans f. genuinum Stanford
Polygonum natans var. cracoviense Zapal.
Polygonum natans var. insigne (Greene) Stanford
Polygonum novae-angliae (Greene) Fedde
Polygonum ophiophilum (Greene) Fedde
Polygonum oreganum (Greene) Fedde
Polygonum otophyllum (Greene) Fedde
Polygonum plantagineum (Greene) Fedde
Polygonum plattense (Greene) Fedde
Polygonum platyphyllum Gand.
Polygonum porteri (Greene) Fedde
Polygonum propinquum (Greene) Fedde
Polygonum psychrophilum (Greene) Fedde
Polygonum purpuratum (Greene) Fedde
Polygonum purpureum Gilib.
Polygonum remotum (Greene) Fedde
Polygonum rigidulum Gand.
Polygonum rothrockii (Greene) Fedde
Polygonum salicifolium Schur
Polygonum setiferum Gand.
Polygonum spectabile Fedde
Polygonum subcoriaceum (Greene) Fedde
Polygonum tenuinaevum Gand.
Polygonum terrestre (Willd.) Britton, Sterns & Poggenb.
Polygonum terrestre (Willd.) Hegetschw.
Polygonum terrestre (Willd.) Krock.
Polygonum vestitum (Greene) Fedde
Polygonum villosulum (Greene) Fedde
Polygonum wardii (Greene) Fedde
Blatt: Blätter länglich oder gleichbreit lanzettHch.
Stengel bzw. Stamm: Der Stengel ist ästig, die Äste endigen mit einer Blütenähre. er Wurzelstock ist ausdauernd, langgliederig, \yeithin kriechend. Bis 100 cm lang.
Blüte: Die Blüten haben 5 Staubblätter. Blüten hellrosa, wohlriechend, verschiedengriffelig, vielgestaltig. Blütezeit Juli bis September.
Frucht bzw. Samen: Die Ähren sind walzenförmig, gedrungen.
Vorkommen: Je nach ilu-em Standorte in stehendem und in langsam fliessendem Wasser oder an Ufern, erhält die Pflanze schwimmende, langgestielte, kahle Blätter, oder aber kurzgestielte, schmälere, Blätter; letztere scheiden aus steifen Haaren einen klebritjen Stoff aus.
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Abmessungen:
Pflanze Höhe : 20.00 ... 100.00 cm xFrucht Größe:
Samen Größe:
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