species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Trifolium dubium Sibth. |
Fabaceae » |
Kleiner Klee
|
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) |
Trifolium dubium Sibth. |
accepted |
Trifolium filiforme subsp. dubium (Sibth.) Gams |
Synonym |
Trifolium minus Sm. |
Synonym |
<Trifolium dubium agg. |
accepted |
<Trifolium filiforme L., s. l. |
Synonym |
|
Chromosome number » |
Basic chromosome number |
8 |
Chromosome number 2n |
32 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
4 (tetraploid) |
Ploidy type |
P (polyploid with haploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
7 |
Chromosome number 2n |
28 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
4 (tetraploid) |
Ploidy type |
P (polyploid with haploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
DNA content » |
DNA content (pg/2C) |
2.1 |
Chromosome number |
32 |
Quality |
chromosome number known and occurring in Germany [b] |
Authorised in BENNET & LEITCH 2001 |
True |
Reference |
Bennett, M.D., Smith, J.S. 1991: Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society London B 334:309-345 |
|
Life form » |
Life form |
H (Hemicryptophyte) |
Qualifier |
always [1] |
Life form |
T (Therophyte) |
Qualifier |
always [1] |
Life span » |
Life span |
a (annual) |
Qualifier |
always [1] |
Rosettes » |
Rosettes |
r (Erosulate plant) |
Qualifier |
always [1] |
Rosettes |
h (Hemirosette plant) |
Qualifier |
always [1] |
special references:
|
Kutschera, L., Lichtenegger, E. 1992: Wurzelatlas mitteleuropäischer Grünlandpflanzen. Bd. 2 Pteridophyta und Dicotyledonae (Magnoliopsida). Teil I Morphologie, Anatomie, Ökologie, Verbreitung, Soziologie, Wirtschaft. Fischer, Stuttgart, Jena, New York
|
|
Flowering phenology » |
Begin of flowering (months) |
5 |
End of flowering (months) |
9 |
Duration of flowering (months) |
5 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
5 (Sorbus aucuparia-Galium odoratum-Phase) Phenological season: end of mid spring |
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 |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
h (homogamous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SC (self-compatibel) |
Reference |
Williams, R.D. 1931: Fertility of various herbage legumes. Self and cross fertility and flowering habits of certain herbage grasses and legumes. Welsh Plant Breed. Sta. , Univ. Col. of Wales Aberystwyth, ser. H. 12:221-227 |
Systematic reference |
species [S] |
Pollen vector » |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
the rule [2] |
Reference |
Fryxell, P.M. 1957: Modes of reproduction of higher plants. The Botanical Review 23:135-233 |
Systematic reference |
species [S] |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
the rule [2] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
AFXF (mixed mating) |
Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
Breeding system |
AO (autogamous) |
Reference |
Fryxell, P.M. 1957: Modes of reproduction of higher plants. The Botanical Review 23:135-233 |
P/O ratio » |
P/O ratio |
147.0 |
Reference |
Rodriguez-Riano, T., Ortega-Olivencia, A., Devesa, J.A. 1999: Biologia floral en Fabaceae. Ruizia, Monografias des Real Jardin Botanico, Madrid 16:1-176 |
P/O ratio |
565.0 |
Reference |
Small, E. 1988: Pollen-ovule patterns in tribe Trifolieae (Leguminosae). Plant Systematics and Evolution 160:195-205 |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
3 (present) |
Flower color » |
Flower colour |
yellow |
Basic flower colour |
g (yellow) |
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 |
2 (8-15 %) |
UV reflection in the centre of the flower |
2 (8-15 %) |
UV reflection pattern |
0 (no UV reflectance patterns) |
Flower class after MUELLER » |
Flower class after MUELLER |
H (hymenoptere flowers) Typical pollinators: hymenopteres |
Flower type after KUGLER » |
Flower type after KUGLER |
6.1a (flag blossom, Fabaceae type, valvular mechanism) |
|
Fruit type » |
Fruit type |
Hü (legume) |
Diaspore type » |
Diaspore type |
FZb (fruit with appendage) |
Germinule type » |
Heteromorphic type |
n (not heteromorphic) |
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 |
always [1] |
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] |
0.2 |
Weight (mean) [mg] |
0.4 |
Weight (maximum) [mg] |
0.6 |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
|
Length (mean) [mm] |
4.0 |
Length (maximum) [mm] |
|
Width (minimum) [mm] |
|
Width (mean) [mm] |
|
Width (maximum) [mm] |
|
Height (minimum) [mm] |
|
Height (mean) [mm] |
|
Height (maximum) [mm] |
|
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
|
Length (mean) [mm] |
4.0 |
Length (maximum) [mm] |
|
Width (minimum) [mm] |
|
Width (mean) [mm] |
|
Width (maximum) [mm] |
|
Height (minimum) [mm] |
|
Height (mean) [mm] |
|
Height (maximum) [mm] |
|
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
1.0 |
Length (mean) [mm] |
1.2 |
Length (maximum) [mm] |
1.5 |
Width (minimum) [mm] |
0.6 |
Width (mean) [mm] |
0.9 |
Width (maximum) [mm] |
1.1 |
Height (minimum) [mm] |
0.4 |
Height (mean) [mm] |
0.6 |
Height (maximum) [mm] |
0.9 |
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)
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Zohary, M., Heller, D. 1984: The genus Trifolium. The Israel Academy of Sciences and Humanities, Jerusalem (Gattung)
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Thompson, K., Band, S.R., Hodgson, J.G. 1993: Seed size and shape predict persistence in soil. Functional Ecology 7:236-241 (Gattung)
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Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
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Anderberg, A.L. 1994: Atlas of seeds and small fruits of Northwest-European plant species with morphological descriptions. - Part 4 (Resedaceae - Umbelliferae). Swedish Museum of Natural History, Stockholm (Gattung)
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Bakker, J.P., Bakker, E.S., Rosén, E., Verweij, G.L., Bekker, R.M. 1996: Soil seed bank composition along a gradient from dry alvar grassland to Juniperus shrubland. Journal of Vegetation Science 7:165-176 (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)
|
Cremer, J., Partzsch, M., Zimmermann, M., Schwär, C., Goltz, H. 1991: Acker- und Gartenwildkräuter: ein Bestimmungsbuch. . Deutscher Landwirtschaftsverlag, Berlin. (Gattung)
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Lhotska, M., Chrtkova, A. 1978: Karpologie a diasporologie ceskoslovensk'ych zastupc u celedi Fabaceae. Academia, Praha (Gattung)
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Luftensteiner, H.W. 1982: Untersuchungen zur Verbreitungssbiologie von Pflanzengemeinschaften an vier Standorten in Niederösterreich. Bibliotheca Botanica 135:1-68 (Gattung)
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McDonald, A.W., Bakker, J.P., Vegelin, K. 1996: Seed bank classification and ist importance for the restoration of species-rich flood-meadows. Journal of Vegetation Science 7:157-164 (Gattung)
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Urbanska, K.M., Schütz, M. 1986: Reproduction by seed in alpine plants and revegetation research above timberline. Botanica Helvetica 96:43-60 (Gattung)
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Heinisch, O. 1955: Samenatlas der wichtigsten Futterpflanzen und ihrer Unkräuter. Deutsche Akad. Landwirtsch.-Wiss., Berlin (Gattung)
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Grassland utilization indicator values » |
Occurrence |
GW (commercial grasslands) |
Guild |
Lk (herbaceous legume) |
Mowing tolerance |
7 (well tolerant to mowing) |
Grazing tolerance |
4 (between 3 and 5 (sensitive to moderately tolerant to grazing)) |
Trampling tolerance |
4 (between 3 and 5 (sensitive to moderately tolerant to trampling)) |
Foraging value |
7 (high forage value) |
Foraging value for deer |
2 (no or little forage value) |
|
Habitat » |
Habitat |
L3.6 (null) Alliance: ? vgl. T10
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
Habitat |
L3.7 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
Ufer |
Habitat |
T7.1.2 (null) Alliance: Arrhenatherion
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.1.3 (null) Alliance: Polygono-Trisetion
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.2.1 (null) Alliance: Cynosurion cristati p.p.
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
05.2 (Pioneer communities of hair-grasses) Class: Koelerio-Corynephoretea
|
English circumscription |
05.3 (Fescue-brome communities of dry and semi-dry grasslands) Class: Festuco-Brometea
|
English circumscription |
05.4 (Commercially used grasslands) Class: Molinio-Arrhenatheretea
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