Synthesis

Species description (Flora Helvetica 2018)

5-20 cm hoch. Stängel meist gebogen, 3kantig. Blätter ca. 2 mm breit, flach, steif, graugrün. Blütenstand nickend, mit 3-5 Ähren, diese 0,5-2 cm lang, die oberen kopfig genähert, die unterste meist etwas abgerückt und gestielt, alle weiblich, nur die endständige am Grund männlich. Narben 2. Deckspelze braunschwarz mit grünem Mittelstreifen. Fruchtschläuche hellgrau, ohne Schnabel, 2-2,5 mm lang.

Flowering period (Flora Helvetica 2018)

7

Habitat and distribution inside Switzerland (Flora Helvetica 2018)

Sandige Alluvionen von Gletscherbächen / subalpin-alpin / VS, GR, zerstreut TI und AN

Ecological indicator (Landolt & al. 2010)

4fw+41-51+4.h.2n=48,50,52
.

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:
Zweifarbige Segge
Nom français:
Laiche à deux couleurs
Nome italiano:
Carice bicolore

Match with other reference books

Relation Nom Book No
=Carex bicolor All.Checklist 201783900
=Carex bicolor All.Flora Helvetica 20012545
=Carex bicolor All.Flora Helvetica 20122721
=Carex bicolor All.Flora Helvetica 20182721
=Carex bicolor All.Index synonymique 199683900
=Carex bicolor All.Landolt 1977494
=Carex bicolor All.Landolt 1991432
=Carex bicolor All.SISF/ISFS 283900
=Carex bicolor All.Welten & Sutter 19822507

= 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:   Near threatened

LC: Non menacé

flora.fl.complementary_informations

IUCN criteria: B2b(iii)

  • 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 4 - weak national priority
flora.fl.prio_measures 1 -
flora.fl.prio_responsability 2 - medium
flora.fl.prio_monitor --

Protection status

International (Bern Convention) No
VD (02.03.2005)
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 4fw+ flora.fl.val_ecologique_L 5 flora.fl.val_ecologique_S --
flora.fl.val_ecologique_R 4 flora.fl.val_ecologique_T 1+
flora.fl.val_ecologique_N 1 flora.fl.val_ecologique_C 4
  • 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

Anatomy

Images and descriptions (© Fritz H. Schweingruber & Hugo Berger)

text alt Leaves, 100x
text alt Leaves, 400x

Summary of leaf anatomy (German)

Obere Epidermiszellen grösser als untere. Epidermis mit Papillen. Verbindungs-Steg zwischen oberer und unterer Epidermis aus verholzten und nicht verholzten Zellen. Leitbündel im Verbindungs-Steg in der Mitte eingebettet. Leitbündelhülle nicht verholzt.