Synthesis

Species description (Flora Helvetica 2018)

0,5-3 m hoch, oben meist verzweigt, rauhaarig, mehrjährig, mit rübenförmigen bis kugeligen Wurzelknollen. Blätter breit-lanzettlich, grob gezähnt, gegenständig (oberste wechselständig), alle +/- gleich gross. Blütenköpfe meist mehrere, lang gestielt, +/- aufrecht, Durchmesser 4-8 cm. Blüten gelb. Zungenblüten 12-20, 2,5-4 cm lang und ca. 1 cm breit, Scheibe mit den Röhrenblüten klein, Durchmesser nur 1-2,5 cm. Blütenboden wenig gewölbt, mit Spreublättern. Früchte 4-6 mm lang, mit 4 Pappusborsten.

Flowering period (Flora Helvetica 2018)

9-11

Habitat and distribution inside Switzerland (Flora Helvetica 2018)

Schuttplätze, Ufer, Wegränder, aus Gärten verwildert / kollin /

Ecological indicator (Landolt & al. 2010)

3+w34-34+3.g.2n=102
.

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:
Topinambur, Knollige Sonnenblume
Nom français:
Topinambour, Hélianthe tubéreux
Nome italiano:
Girasole del Canada, Topinambur

Match with other reference books

Relation Nom Book No
=Helianthus tuberosus L.Checklist 2017196090
=Helianthus tuberosus L.Flora Helvetica 20182086

= 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

Néophyte

Species from the "Watch List" Neophyte- fact sheet

Ecology

Habitats

flora.fl.habitats_delarze

NO INFORMATION

Ecological indicator values by Landolt & al. (2010)

flora.fl.val_ecologique_sol flora.fl.val_ecologique_salinite flora.fl.val_ecologique_climat
flora.fl.val_ecologique_H -- flora.fl.val_ecologique_L -- flora.fl.val_ecologique_S --
flora.fl.val_ecologique_R -- flora.fl.val_ecologique_T --
flora.fl.val_ecologique_N -- flora.fl.val_ecologique_C --
  • 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