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Inula helvetica Weber

Species
ISFS : 214500
Checklist : 1024510

Synthesis

Species description (© Flora Helvetica 2018)

50-150 cm hoch, oben meist verzweigt, nach Melisse duftend. Stängel dicht behaart. Blätter lanzettlich, fein gezähnt oder ganzrandig, unterseits grauhaarig, untere kurz gestielt, obere mit verschmälertem Grund sitzend. Blüten gelb. Köpfe in einer lockeren, doldigen Rispe, Durchmesser 2,5-3 cm. Zungenblüten abstehend, ca. 1 mm breit. Früchte ca. 2 mm, Pappus 5-6 mm lang.

Flowering period (© Flora Helvetica 2018)

7-8

Habitat and distribution inside Switzerland (© Flora Helvetica 2018)

Ufergebüsche, Waldränder / kollin / M, vereinzelt A

World distribution (© Flora Helvetica 2018)

Südwesteuropäisch

Ecological indicator (© Flora Helvetica 2018)

4w+42-34+2.h.2n=?

Status

IUCN status

 Vulnerable

National Priority

 2 - high national priority

International responsibility

 3 - high

Conservation

Threats


Starke Verbuschung, Sukzession
Bautätigkeit (Strassen, Deponien, Industrie, Tourismus)
Invasive Arten (Goldruten, Adlerfarn aber auch Brombeeren)
Eingriffe in den Wasserhaushalt (Grundwasserabsenkungen, Entwässerungen, Flusskorrekturen, Meliorationen)
Änderung des Basen- und Nährstoffgehalts (zu starke Eutrophierung)

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

Habitat and distribution inside Switzerland

M, vereinzelt A

World distribution

Südwesteuropäisch

Ecology

Life form

Perennial hemicryptophyte

Habitats

Habitats © Delarze & al. 2015

Less strictly linked to a specific habitat 5.1.3 - Feuchter Krautsaum (Tieflagen) (Convolvulion)

bold Dominant species, influencing the appearance of the habitat
Character species Character species
Less strictly linked to a specific habitat Less strictly linked to a specific habitat

Ecological indicator values by © Landolt & al. (2010)

Soil factors Climatic factors Salinity tolerance
Humidity Value H 4w+ Light Value L 3 Salinity Index --
Reaction Value R 4 Temperature factor T 4+
Nutriments value N 2 Continentality K 2
  • Ecological values legend
    Humidity Value H
    1very dry
    1+dry
    2moderatly dry
    2+moist
    3medium wet
    3+wet
    4very wet
    4+soggy
    5submerged or underwater
    fplants living in running water
    umostly submerged plants
    vpartly submerged, partly floating plants
    whumidity moderately variable (± scale of 1-2)
    w+highly variable humidity (scale exceeding ± 2)
    Reaction Value R
    1Very acid (pH 2.5-5.5)
    2acid (pH 3.5-6.5)
    3lightly acid to neutral (pH 4.5-7.5)
    4neutral to basic (pH 5.5-8.5)
    5basic (pH 6-5 -> 8.5
    Nutriments value N
    1very low in nutrients
    2low in nutriments
    3medium-poor to medium-rich in nutrients
    4rich in nutriments
    5very rich in nutriments
    Salinity tolerance
    1halotolerant
    3halophyle
    Light Value L
    1very shady
    2shady
    3lighted areas
    4luminous
    5highly luminous
    Temperature factor T
    1alpine to nival stages (from the treeline to the snowline)
    1+suprasubalpine and upper subalpine levels (pine and larch forests)
    2subalpine level (coniferous forests without beeches up to the upper limit of spruces)
    2+lower subalpine and upper mountain stages
    3mountain level (beech and silver fir forests, in the central Alps Scots pine forests)
    3+lower mountain and upper hill levels
    4hill level (mixed deciduous oak forests)
    4+hot places, hill level
    5very hot places, hill level (only in the hottest places, typical of southern Europe)
    Continentality K
    1Atlantic (high air humidity, very low temperature variations, mild winters)
    2Sub-Atlantic (high air humidity, low temperature variations, relatively mild winters)
    3sub-Atlantic to subcontinental (average air humidity, moderately variable temperature, slightly low winter temperatures)
    4subcontinental (low air humidity, large temperature variations, rather cold winters)
    5continental (very low air humidity, very large temperature variations, cold winters)

Water dependency

Rivers 1 - Secondary habitat
Calm water 1 - Secondary habitat
Ground water 0 - No link

Nomenclature

Accepted Name (Checklist 2017)

Inula helvetica Weber

Vernacular name

Deutscher Name :

Schweizer Alant

Nom français :

Inule de Suisse

Nome italiano :

Enula svizzera

Match with other reference books

Relation Nom Book No
=Inula helvetica WeberChecklist 2017214500
=Inula helvetica WeberFlora Helvetica 20012081
=Inula helvetica WeberFlora Helvetica 20122071
=Inula helvetica WeberFlora Helvetica 20182071
=Inula helvetica WeberIndex synonymique 1996214500
=Inula helvetica WeberLandolt 19773128
=Inula helvetica WeberLandolt 19912513
=Inula helvetica WeberSISF/ISFS 2214500
=Inula helvetica WeberWelten & Sutter 19821758
= 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

-

IUCN list of endangered species (© Walter & Gillett 1997) : Yes

Status on national Red List 2016

IUCN status:

 Vulnerable

Vulnerable

Additional information

IUCN criteria: C2a(i)

Status on regional Red List 2019

Biogregraphic regions Status IUCN criteria
Jura (JU) VUC2a(i)
Mittelland (MP) VUC2a(i)
Alpennordflanke (NA) ENA3c; C2a(i)
Alpensüdflanke (SA) --
Östliche Zentralalpen (EA) --
Westliche Zentralalpen (WA) --
  • Legend
    EXExtinct
    RERegionally Extinct
    CR(PE)Critically Endangered, Probably Extinct
    CRCritically Endangered
    ENEndangered
    VUVulnerable
    NTNear Threatened
    LCLeast Concern
    DDData Deficient
    NENot Evaluated
    NANot Applicable

National Priority Species List Status

National Priority 2 - high national priority
Need to take action 2 -
International responsibility 3 - high
Need to monitor populations 2 -

Protection status

International (Bern Convention) No
GEtotal protection (25.07.2007)
TGtotal protection (01.01.2018)
VDtotal protection (02.03.2005)
Switzerland total protection
ZGtotal protection (01.10.2013)
ZHpartial protection (03.12.1964)
  • Disclaimer
    InfoFlora compiles information on protected species as accurately as possible, taking it from the respective cantonal laws. In some cases, however, it was not possible to use the plant names as listed in the original text, but an interpretation of their taxonomy or nomenclature was necessary. The exact meaning of the categories „completely protected“ and „partially protected“ differs among the cantons.

    InfoFlora cannot guarantee that the information on the protection status is correct and complete. In case of doubts, we recommend to look up the texts of the respective cantonal law.

Status by sector of activity

Forest management environmental objectives : - more informations

Conservation

Threats and measures

Starke Verbuschung, Sukzession


Periodisches Ausholzen und Entbuschen

Bautätigkeit (Strassen, Deponien, Industrie, Tourismus)


Sorgfältige, auf die Art Rücksicht nehmende Planung bei allfälligen Bauvorhaben

Invasive Arten (Goldruten, Adlerfarn aber auch Brombeeren)


Frühes Bekämpfen der Goldruten (z. T. von Hand)
entfernen der Brombeeren
mehrmaliges Ausreissen aller Adlerfarnsprosse (Auszehrung der Rhizome z. B. bei Affoltern a. A.)

Eingriffe in den Wasserhaushalt (Grundwasserabsenkungen, Entwässerungen, Flusskorrekturen, Meliorationen)


Keine weiteren Eingriffe in den Wasserhaushalt, falls nötig Regulierung des Wasserstandes (durch Unterhalt und Regulierung der bestehenden Rietgräben)

Änderung des Basen- und Nährstoffgehalts (zu starke Eutrophierung)


Verstärkung der Luftreinhaltemassnahmen
grosse Pufferzonen
keine Düngung in der Umgebung

Ex situ material

In-situ measures

More informations

Conservation fact sheet (in german)A. Keel, 2004: Aktionsplan Inula helveticaFachstelle Naturschutz Kt. Zürich & Topos, 2015: Anleitung zur Kultivierung Inula helvetica