Species information

Synthesis

Species description (Flora Helvetica 2018)

50-100(-150) cm hoch, oben verzweigt. Stängel kurzhaarig, ohne Drüsen. Blätter lanzettlich, mit verschmälertem Grund sitzend, nicht umfassend. Durchmesser der Blütenköpfe nur 1-1,5 cm, Hülle nur 3-4,5 mm lang, Hüllblätter mit schmalem Hautrand, nicht lederig (bei A. novi-belgii Nr. 2025 am Grund bis auf den grünen Mittelnerv weiss und lederig), die äusseren etwa halb so lang wie die inneren. Zungenblüten weiss, beim Aufblühen rötlich. Pappus 2,5-4 mm lang.

Flowering period (Flora Helvetica 2018)

8-9

Habitat and distribution inside Switzerland (Flora Helvetica 2018)

Ufergebüsch, Ödland, aus Gärten verwildert / kollin /

Ecological indicator (Landolt & al. 2010)

3w⁺44-34⁺3.g.2n=?

Distribution map

Map settings

Atlas symbols

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:

Tradescants Aster

Nom français:

Aster de Tradescant

Nome italiano:

Astro di Tradescant

Match with other reference books

Relation	Nom	Book	No
=	Aster parviflorus Nees	Checklist 2017	52430
=	Aster parviflorus Nees	Flora Helvetica 2018	2029
=	Aster tradescantii L.	SISF/ISFS 2	52700

= 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 - -

Species from the "Watch List"

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	3w+	flora.fl.val_ecologique_L	3	flora.fl.val_ecologique_S	--
flora.fl.val_ecologique_R	4	flora.fl.val_ecologique_T	4+
flora.fl.val_ecologique_N	4	flora.fl.val_ecologique_C	3

flora.fl.val_ecologique_legende

flora.fl.val_ecologique_H
1	flora.fl.val_ecologique_H_1
1⁺	flora.fl.val_ecologique_H_1plus
2	flora.fl.val_ecologique_H_2
2⁺	flora.fl.val_ecologique_H_2plus
3	flora.fl.val_ecologique_H_3
3⁺	flora.fl.val_ecologique_H_3plus
4	flora.fl.val_ecologique_H_4
4⁺	flora.fl.val_ecologique_H_4plus
5	flora.fl.val_ecologique_H_5
^	flora.fl.val_ecologique_H_f
U	flora.fl.val_ecologique_H_u
V	flora.fl.val_ecologique_H_v
w	flora.fl.val_ecologique_W_2
w⁺	flora.fl.val_ecologique_W_3

flora.fl.val_ecologique_R
1	flora.fl.val_ecologique_R_1
2	flora.fl.val_ecologique_R_2
3	flora.fl.val_ecologique_R_3
4	flora.fl.val_ecologique_R_4
5	flora.fl.val_ecologique_R_5

flora.fl.val_ecologique_N
1	flora.fl.val_ecologique_N_1
2	flora.fl.val_ecologique_N_2
3	flora.fl.val_ecologique_N_3
4	flora.fl.val_ecologique_N_4
5	flora.fl.val_ecologique_N_5

flora.fl.val_ecologique_salinite
1	flora.fl.val_ecologique_salinite_s
3	flora.fl.val_ecologique_salinite_ss

flora.fl.val_ecologique_L
1	flora.fl.val_ecologique_L_1
2	flora.fl.val_ecologique_L_2
3	flora.fl.val_ecologique_L_3
4	flora.fl.val_ecologique_L_4
5	flora.fl.val_ecologique_L_5

flora.fl.val_ecologique_T
1	flora.fl.val_ecologique_T_1
1⁺	flora.fl.val_ecologique_T_1plus
2	flora.fl.val_ecologique_T_2
2⁺	flora.fl.val_ecologique_T_2plus
3	flora.fl.val_ecologique_T_3
3⁺	flora.fl.val_ecologique_T_3plus
4	flora.fl.val_ecologique_T_4
4⁺	flora.fl.val_ecologique_T_4plus
5	flora.fl.val_ecologique_T_5

flora.fl.val_ecologique_C
1	flora.fl.val_ecologique_C_1
2	flora.fl.val_ecologique_C_2
3	flora.fl.val_ecologique_C_3
4	flora.fl.val_ecologique_C_4
5	flora.fl.val_ecologique_C_5