Synthesis

Species description (Flora Helvetica 2018)

Bis 25 m hoher Baum. Rinde unten dunkel, oben glatt und weiss. Zweige +/- hängend, kahl. Blätter rautenförmig bis 3eckig, lang zugespitzt, doppelt gezähnt, ausgewachsen kahl. Zähne 1. Ordnung mit feiner, oft einwärts gebogener Spitze. Männliche Blütenstände hängend, bis 10 cm lang, weibliche zur Blütezeit aufrecht, später hängend, bis 4 cm lang. Frucht ein einsamiges, dünnhäutiges Nüsschen mit 2 durchsichtigen Flügeln, diese 2-3mal so breit wie die Frucht. Seitenlappen der Fruchtschuppen rückwärts gerichtet.

Flowering period (Flora Helvetica 2018)

4-5

Habitat and distribution inside Switzerland (Flora Helvetica 2018)

Ufergelände, Torfmoore, Wälder / kollin-subalpin / CH

Ecological indicator (Landolt & al. 2010)

xwx2-43+3.p.2n=28
Betula pendula Roth, © Konrad Lauber Betula pendula Roth, © Beat Bäumler Betula pendula Roth, © Beat Bäumler Betula pendula Roth, © Beat Bäumler Betula pendula Roth, © Beat Bäumler Betula pendula Roth, © Beat Bäumler Betula pendula Roth, © Beat Bäumler
.

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:
Hänge-Birke
Nom français:
Bouleau blanc, Bouleau pendant
Nome italiano:
Betulla verrucosa

Match with other reference books

Relation Nom Book No
=Betula pendula RothChecklist 201760400
=Betula pendula RothFlora Helvetica 2001253
=Betula pendula RothFlora Helvetica 2012335
=Betula pendula RothFlora Helvetica 2018335
=Betula pendula RothIndex synonymique 199660400
=Betula pendula RothLandolt 1977824
=Betula pendula RothLandolt 1991725
=Betula pendula RothSISF/ISFS 260400
=Betula pendula RothWelten & Sutter 1982129

= 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
SG (17.06.1975)
SZ (29.06.1965)
Switzerland --
ZH (03.12.1964)

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 xw flora.fl.val_ecologique_L 4 flora.fl.val_ecologique_S --
flora.fl.val_ecologique_R x flora.fl.val_ecologique_T 3+
flora.fl.val_ecologique_N 2 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