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Amaranthus blitum aggr.

Amaranthus blitum aggr.

Species
ISFS : 27600
Checklist : 1003085
  1. Amaranthaceae
  2. Amaranthus
  3. Amaranthus blitum aggr.

Contains :

Synthesis

Species description (© Flora Helvetica 2018)

Stängel 10-80 cm, niederliegend oder aufsteigend bis aufrecht, kahl, Blütenknäuel in Blattwinkeln und endständigen, ährigen, oft verzweigten Blütenständen. Vorblätter kürzer als die Blüten, mit kurzer Spitze. Weibliche Blüten mit (2-)3 Perigonblättern. Die Frucht öffnet sich zur Fruchtreife nicht, bei mechanischer Belastung unregelmässig aufreissend.

Flowering period (© Flora Helvetica 2018)

7-9

Habitat and distribution inside Switzerland (© Flora Helvetica 2018)

Äcker, Wegränder, Schuttplätze / kollin-montan / CH

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

CH

Ecology

Life form

Therophyte

Habitats

Habitats © Delarze & al. 2015

Less strictly linked to a specific habitat 7.1.2 - Trockene Trittflur (Polygonion avicularis)
Less strictly linked to a specific habitat 8.2.3.4 - Kalkreicher, trockener Hackfruchtacker (Eragrostion)

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 2+ Light Value L 4 Salinity Index --
Reaction Value R 3 Temperature factor T 4
Nutriments value N 4 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)

Nomenclature

Accepted Name (Checklist 2017)

Amaranthus blitum aggr.

Vernacular name

Deutscher Name :

Bläulicher Amarant

Nom français :

Amarante bleuâtre

Nome italiano :

Amaranto livido

Match with other reference books

Relation Nom Book No
=Amaranthus blitum aggr.Checklist 201727600
=Amaranthus blitum L.Flora Helvetica 2001437
=Amaranthus blitum L.Flora Helvetica 20121133
=Amaranthus blitum aggr.Flora Helvetica 20181133
=Amaranthus blitum L.Index synonymique 199627600
=Amaranthus blitum L.SISF/ISFS 227600
= 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)

Checklist 2017 comments

Neue Rangstufe: Wechsel von Art zu Aggregat. Durch Hinzukommen zusätzlicher Neophyten und der präziseren Fassung der Artengruppe ist die bisherige A. blitum L. neu als Aggregat zu betrachten.
Checklist

Status

Native status

-
IUCN list of endangered species (© Walter & Gillett 1997) : No