species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Juncus conglomeratus L. |
Juncaceae » |
Knäuel-Binse
|
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) |
Juncus conglomeratus L. |
accepted |
Juncus leersii T. Marsson |
Synonym |
Juncus subuliflorus Drejer |
Synonym |
|
Chromosome number » |
Basic chromosome number |
20 |
Chromosome number 2n |
40 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
|
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
21 |
Chromosome number 2n |
42 |
Chromosome number (Germany) |
True |
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) |
5 |
End of flowering (months) |
7 |
Duration of flowering (months) |
3 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
7 (Ligustrum-Stachys sylvatica-Phase) Phenological season: end of early summer |
Reference |
Dierschke, H 1995: Phänologische und symphänologische Artengruppen von Blütenpflanzen in Mitteleuropa. Tuexenia 15: 523-560 |
|
Type of reproduction » |
Type of reproduction |
sv (by seed and vegetatively) |
Reference |
Richards, P.W., Clapham, A.R. 1941: Biological Flora of the British Isles: Juncus conglomeratus L. (J. communis a conglomeratus E. Mey.; J. Leersii Marsson). Journal of Ecology 29:381-384 |
Type of seed production » |
Type of seed production |
s (amphimictic, sexual) |
Reference |
Richards, P.W., Clapham, A.R. 1941: Biological Flora of the British Isles: Juncus conglomeratus L. (J. communis a conglomeratus E. Mey.; J. Leersii Marsson). Journal of Ecology 29:381-384 |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
h (homogamous) |
Reference |
Ascherson, P., Bernátsky, J., Bernner, W., Buxbaum, F., Graebner, P., Höck, F., Kirchner, O., Loew, E., Ludwig, F. 1934: Araceae, Lemnaceae, Juncaceae, Liliaceae, Dioscoreaceae, Amaryllidaceae, Iridaceae. von Kirchner, O., Loew, E., Schröter, C., and Wangerin, W. (Hrsg.), Lebensgeschichte der Blütenpflanzen Mitteleuropas Vol. 1, 3. |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SC (self-compatibel) |
Reference |
East, E.M. 1940: The distribution of self-sterility in the flowering plants. Proceedings of the American Philosophical Society 82:449-518 |
Systematic reference |
family [F] |
Pollen vector » |
Pollen vector |
wi (wind) Pollen vector group: ab (abiotische Bestäubung) |
Abundance |
the rule [2] |
Reference |
Richards, P.W., Clapham, A.R. 1941: Biological Flora of the British Isles: Juncus conglomeratus L. (J. communis a conglomeratus E. Mey.; J. Leersii Marsson). Journal of Ecology 29:381-384 |
Systematic reference |
species [S] |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
possible [5] |
Reference |
Richards, P.W., Clapham, A.R. 1941: Biological Flora of the British Isles: Juncus conglomeratus L. (J. communis a conglomeratus E. Mey.; J. Leersii Marsson). Journal of Ecology 29:381-384 |
Systematic reference |
species [S] |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
rare [4] |
Reference |
Richards, P.W., Clapham, A.R. 1941: Biological Flora of the British Isles: Juncus conglomeratus L. (J. communis a conglomeratus E. Mey.; J. Leersii Marsson). Journal of Ecology 29:381-384 |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
AFXF (mixed mating) |
Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
1 (none) |
Flower color » |
Flower colour |
red brown |
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 |
Flower class after MUELLER » |
Flower class after MUELLER |
W (wind flowers) Typical pollinators: - |
Flower type after KUGLER » |
Flower type after KUGLER |
0 (not applicable) |
|
Fruit type » |
Fruit type |
Ka (capsule) |
Diaspore type » |
Diaspore type |
S (seed) |
Germinule type » |
Heteromorphic type |
n (not heteromorphic) |
Germinule type |
S (seed) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
|
Development of additional appendages |
|
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.0 |
Weight (mean) [mg] |
0.0 |
Weight (maximum) [mg] |
0.0 |
Measured object |
Diaspore |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.0 |
Weight (mean) [mg] |
0.0 |
Weight (maximum) [mg] |
0.0 |
Sizes » |
Measured object |
Diaspore |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
0.5 |
Length (mean) [mm] |
0.6 |
Length (maximum) [mm] |
0.8 |
Width (minimum) [mm] |
0.4 |
Width (mean) [mm] |
0.4 |
Width (maximum) [mm] |
0.5 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
0.5 |
Length (mean) [mm] |
0.6 |
Length (maximum) [mm] |
0.8 |
Width (minimum) [mm] |
0.4 |
Width (mean) [mm] |
0.4 |
Width (maximum) [mm] |
0.5 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
special references:
|
Thompson, K., Band, S.R., Hodgson, J.G. 1993: Seed size and shape predict persistence in soil. Functional Ecology 7:236-241 (Gattung)
|
Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
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Bakker, J.P., Bakker, E.S., Rosén, E., Verweij, G.L. 1997: The soil seed bank of undisturbed and disturbed dry limestone grassland on Öland (Sweden). Z. Ökologie Nat. sch. 6:9-18 (Gattung)
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Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
Häfliger, T.J., Wolf, M. 1988: Dicot Weeds. Documenta CIBA-GEIGY Ltd., Basel (Gattung)
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Stockey, A., Hunt, R. 1994: Predicting secondary succession in wetland mesocosms on the basis of autecological information on seeds and seedlings. Journal of Applied Ecology 31:543-559 (Gattung)
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Strykstra, R.J. 1997: Seed dispersal in a Dutch grassland reserve. . Univesity of Ulster, Coleraine. (Gattung)
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Grassland utilization indicator values » |
Occurrence |
GE (little used grasslands) |
Guild |
GS (sedge) |
Mowing tolerance |
4 (between 3 and 5 (sensitive to moderately tolerant to mowing)) |
Grazing tolerance |
7 (well tolerant to grazing) |
Trampling tolerance |
6 (between 5 and 7 (moderately tolerant to well tolerant to trampling)) |
Foraging value |
2 (no or little forage value) |
Foraging value for deer |
5 (intermediate forage value) |
|
Habitat » |
Habitat |
L4.4 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.3.2 (null) Alliance: Molinion coeruleae p.p.
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.3.5 (null) Alliance: Calthion p.p.
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
05.4 (Commercially used grasslands) Class: Molinio-Arrhenatheretea
|
English circumscription |
05.5 (Communities of flooded and trampled grasslands) Class: Agrostietea stoloniferae
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English circumscription |
07.4 (Communities of clear-felled areas) Class: Epilobietea angustifolii
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