Synthesis

Species description (Flora Helvetica 2018)

Amphibische Pflanze, je nach Standort sehr verschieden: Wasserformen kahl, mit bis 3 m langem Stängel und bis 20 cm langen, lang gestielten, lanzettlichen Schwimmblättern. Landformen borstig oder drüsig behaart, aufsteigend bis aufrecht. Blätter kleiner und nur kurz gestielt. Alle Blätter am Grund gerundet oder herzförmig. Blütenstände dicht zylindrisch-ährig, bei den Wasserformen aus dem Wasser ragend. Blüten rosa, 4-5 mm lang. Fruchtbildung sehr selten.

Flowering period (Flora Helvetica 2018)

6-9

Habitat and distribution inside Switzerland (Flora Helvetica 2018)

Tümpel, Gräben, Seeufer, feuchte Äcker / kollin-montan(-subalpin) / CH (fehlt TI)

Ecological indicator (Landolt & al. 2010)

4+w+33+43+3.a-g.2n=66,94,96
.

Distribution map

Simple

Before threshold year
After threshold year
Before and after threshold year

Advanced

Colors
Validated observations
Observations waiting for validation
Occurrences from Atlas Welten & Sutter (1982) and supplements (1984, 1994) without confirmation in the Info Flora database since
Symbols
Before threshold year
After threshold year
Native
Reintroduced
Not native / introduced / subspontaneous / escaped
Doubtful

Number of observations

Below the threshold number of observations
Above or equal the threshold number of observations

Nomenclature

Vernacular name

Deutscher Name:
Sumpf-Knöterich
Nom français:
Renouée amphibie
Nome italiano:
Poligono anfibio

Match with other reference books

Relation Nom Book No
=Polygonum amphibium L.Checklist 2017314000
=Polygonum amphibium L.Flora Helvetica 2001454
=Polygonum amphibium L.Flora Helvetica 20121279
=Polygonum amphibium L.Flora Helvetica 20181279
=Polygonum amphibium L.Index synonymique 1996314000
=Polygonum amphibium L.Landolt 1977906
=Polygonum amphibium L.Landolt 1991788
=Polygonum amphibium L.SISF/ISFS 2314000
=Polygonum amphibium L.Welten & Sutter 1982172

= The taxon corresponds to the accepted taxon (Checklist 2017)
< The taxon is included in the accepted taxon (Checklist 2017)
> The taxon includes (among others) also the accepted taxon (Checklist 2017)

Status

Native status   -  -

Status on national Red List 2016

flora.fl.statut_iucn:   Least concern

LC: Non menacé

flora.fl.complementary_informations

IUCN criteria: --

  • Legend
    EXExtinct
    RERegionally Extinct
    CR(PE)Critically Endangered, Probably Extinct
    CRCritically Endangered
    ENEndangered
    VUVulnerable
    NTNear Threatened
    LCLeast Concern

IUCN list of endangered species (Walter & Gillett 1997)

No

flora.fl.prio_title

flora.fl.prio_priority K - no national priority
flora.fl.prio_measures --
flora.fl.prio_responsability K - none
flora.fl.prio_monitor --

Protection status

International (Bern Convention) No
Cantonal--
Switzerland --

Ecology

Life form

,

Habitats

flora.fl.habitats_delarze

NO INFORMATION

Ecological indicator values by Landolt & al. (2010)

flora.fl.val_ecologique_sol flora.fl.val_ecologique_climat flora.fl.val_ecologique_salinite
flora.fl.val_ecologique_H 4+w+ flora.fl.val_ecologique_L 4 flora.fl.val_ecologique_S 1
flora.fl.val_ecologique_R 3 flora.fl.val_ecologique_T 3+
flora.fl.val_ecologique_N 3 flora.fl.val_ecologique_C 3
  • flora.fl.val_ecologique_legende
    flora.fl.val_ecologique_H
    1flora.fl.val_ecologique_H_1
    1+flora.fl.val_ecologique_H_1plus
    2flora.fl.val_ecologique_H_2
    2+flora.fl.val_ecologique_H_2plus
    3flora.fl.val_ecologique_H_3
    3+flora.fl.val_ecologique_H_3plus
    4flora.fl.val_ecologique_H_4
    4+flora.fl.val_ecologique_H_4plus
    5flora.fl.val_ecologique_H_5
    ^flora.fl.val_ecologique_H_f
    Uflora.fl.val_ecologique_H_u
    Vflora.fl.val_ecologique_H_v
    wflora.fl.val_ecologique_W_2
    w+flora.fl.val_ecologique_W_3
    flora.fl.val_ecologique_R
    1flora.fl.val_ecologique_R_1
    2flora.fl.val_ecologique_R_2
    3flora.fl.val_ecologique_R_3
    4flora.fl.val_ecologique_R_4
    5flora.fl.val_ecologique_R_5
    flora.fl.val_ecologique_N
    1flora.fl.val_ecologique_N_1
    2flora.fl.val_ecologique_N_2
    3flora.fl.val_ecologique_N_3
    4flora.fl.val_ecologique_N_4
    5flora.fl.val_ecologique_N_5
    flora.fl.val_ecologique_salinite
    1flora.fl.val_ecologique_salinite_s
    3flora.fl.val_ecologique_salinite_ss
    flora.fl.val_ecologique_L
    1flora.fl.val_ecologique_L_1
    2flora.fl.val_ecologique_L_2
    3flora.fl.val_ecologique_L_3
    4flora.fl.val_ecologique_L_4
    5flora.fl.val_ecologique_L_5
    flora.fl.val_ecologique_T
    1flora.fl.val_ecologique_T_1
    1+flora.fl.val_ecologique_T_1plus
    2flora.fl.val_ecologique_T_2
    2+flora.fl.val_ecologique_T_2plus
    3flora.fl.val_ecologique_T_3
    3+flora.fl.val_ecologique_T_3plus
    4flora.fl.val_ecologique_T_4
    4+flora.fl.val_ecologique_T_4plus
    5flora.fl.val_ecologique_T_5
    flora.fl.val_ecologique_C
    1flora.fl.val_ecologique_C_1
    2flora.fl.val_ecologique_C_2
    3flora.fl.val_ecologique_C_3
    4flora.fl.val_ecologique_C_4
    5flora.fl.val_ecologique_C_5