species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Bidens connata Muhl. ex Willd. |
Asteraceae » |
Verwachsenblättriger Zweizahn
|
reference |
Kühn, I., Klotz, S. 2002: Systematik, Taxonomie und Nomenklatur. In: Klotz, S., Kühn, I., Durka, W. (Hrsg.): BIOLFLOR - Eine Datenbank mit biologisch-ökologischen Merkmalen zur Flora von Deutschland. Schriftenreihe für Vegetationskunde. Bonn »
|
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Synonymy (taxonomy after Wisskirchen & Haeupler, 1998) |
Bidens connata H. L. Mühl. ex Willd. |
accepted |
|
Chromosome number » |
Basic chromosome number |
12 |
Chromosome number 2n |
48 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
4 (tetraploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
12 |
Chromosome number 2n |
72 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
6 (hexaploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
12 |
Chromosome number 2n |
24 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
Flowering phenology » |
Begin of flowering (months) |
8 |
End of flowering (months) |
10 |
Duration of flowering (months) |
3 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
8 (Clematis vitalba-Galium sylvaticum-Phase) Phenological season: midsummer |
Reference |
Dierschke, H 1995: Phänologische und symphänologische Artengruppen von Blütenpflanzen in Mitteleuropa. Tuexenia 15: 523-560 |
|
Type of reproduction » |
Type of reproduction |
s (by seed/by spore) |
Reference |
Krumbiegel, A. 2002: Morphologie der vegetativen Organe (außer Blätter). In: Klotz, S., Kühn, I., Durka, W. (Hrsg.) BiolFlor - Biologisch-ökologische Daten zur Flora Deutschlands, S. 1-2, Bonn |
Type of seed production » |
Type of seed production |
s (amphimictic, sexual) |
Reference |
Anmerkung 2002: Sexuelle Samenproduktion, da keine Apomikten in Gattung bekannt |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Jäger, E.J., Werner, K. (Hrsg.) 2002: Rothmaler. Exkursionsflora von Deutschland. Gefäßpflanzen: Kritischer Band. 9. Aufl., Spektrum Akademischer Verlag, Heidelberg |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SC (self-compatibel) |
Reference |
Anmerkung 2002: wahrscheinlich SC, da nur SC-Arten in Gattung/Artengruppe bekannt |
Systematic reference |
genus [G] |
Pollen vector » |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
unknown [0] |
Reference |
Frank, D., Klotz, S. 1990: Biologisch-ökologische Daten zur Flora der DDR. Wissenschaftliche Beiträge Martin-Luther Univ. Halle-Wittenberg Vol. 32 (P41) |
Systematic reference |
species [S] |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
unknown [0] |
Reference |
Frank, D., Klotz, S. 1990: Biologisch-ökologische Daten zur Flora der DDR. Wissenschaftliche Beiträge Martin-Luther Univ. Halle-Wittenberg Vol. 32 (P41) |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
AFXF (mixed mating) |
Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
Flower color » |
Flower colour |
brownish yellow |
Basic flower colour |
br (brown) |
Reference |
Schubert, R., Jäger, E.J., Werner, K. (Hrsg.) 1987: Exkursionsflora Band 3. Atlas der Gefäßpflanzen. 6. Aufl., Volk und Wissen, Berlin |
UV reflection of the flower » |
UV reflection in the periphery of the flower |
1 (0-7 %) |
UV reflection in the centre of the flower |
1 (0-7 %) |
UV reflection pattern |
0 (no UV reflectance patterns) |
Flower class after MUELLER » |
Flower class after MUELLER |
B` (flower associations with totally hidden nectar) Typical pollinators: bees, bumble bees, wasps, bombylides, syrphids |
Flower type after KUGLER » |
Flower type after KUGLER |
7.2a (flower heads, Asteraceae, only disk flowers) |
|
Fruit type » |
Fruit type |
Nu (nut) |
Diaspore type » |
Diaspore type |
FZb (fruit with appendage) |
Germinule type » |
Heteromorphic type |
A2 (peripheral fruit) |
Germinule type |
F (fruit) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
sometimes [2] |
Development of additional appendages |
|
Heteromorphic type |
A1 (disk fruit or central fruit) |
Germinule type |
F (fruit) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
sometimes [2] |
Development of additional appendages |
|
Heteromorphic type |
A1 (disk fruit or central fruit) |
Germinule type |
FZb (fruit with appendage) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
always [1] |
Development of additional appendages |
|
Heteromorphic type |
A2 (peripheral fruit) |
Germinule type |
FZb (fruit with appendage) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
always [1] |
Development of additional appendages |
|
special references:
|
Grime, J.P., Mason, G., Curtis, A.V., Rodman, J., Band, S.R., Mowforth, M.A., Neal, A.M., Shaw, S. 1981: A comparative study of germination characteristics in a local flora. Journal of Ecology 69:1017-1069 (Gattung)
|
Duty, J. 1960: Floristische Beiträge zur geobotanischen Geländearbeit in Mitteldeutschland (V). Notiz zu Bidens melanocarpus WIEGAND (=B. frondosa). Wissenschaftliche Zeitschrift MLU Halle-Wittenberg IX:421 (Gattung)
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Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
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Habitat » |
Habitat |
L3.1 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
L4.1 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
Habitat |
L4.2 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
Habitat |
L4.3 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
Habitat |
L4.4 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
|
Class » |
English circumscription |
06.2 (Bur-marigold and orache bank communities) Class: Bidentetea tripartitae
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