| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Potamogeton natans L. |
Potamogetonaceae » |
Schwimmendes Laichkraut
|
| 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 »
|
|
| Synonymy (taxonomy after Wisskirchen & Haeupler, 1998) |
| Potamogeton natans L. |
accepted |
| Potamogeton natans var. prolixus Koch |
Synonym |
| Potamogeton natans var. vulgaris |
Synonym |
|
| DNA content » |
| DNA content (pg/2C) |
1.7 |
| Chromosome number |
52 |
| Quality |
chromosome number known and occurring in Germany [b] |
| Authorised in BENNET & LEITCH 2001 |
False |
| Reference |
Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London |
|
| Life form » |
| Life form |
A (Hydrophyte) |
| Qualifier |
always [1] |
| Life span » |
| Life span |
p (pluriennial-pollakanthic) |
| Qualifier |
always [1] |
| Vegetative propagation » |
| Vegetative propagation |
a (Runner) |
| Qualifier |
always [1] |
| Vegetative propagation |
fr (Fragmentation) |
| Qualifier |
always [1] |
| Storage organs » |
| Storage organs |
a (Runner) |
| Qualifier |
always [1] |
| Shoot metamorphoses » |
| Shoot metamorphoses |
a (Runner) |
| Qualifier |
always [1] |
| Rosettes » |
| Rosettes |
r (Erosulate plant) |
| Qualifier |
always [1] |
| special references:
|
| Barrat-Segretain, M.H. 1996: Strategies of reproduction, dispersion, and competition of river plants: A review. Vegetatio 123:13-27
|
| Wiegleb, G., Brux, H. 1991: Comparison of life history characters of broad-leaved species of the genus Potamogeton L. I. General characterization of morphology and reproductive strategies. Aquatic Botany 39:131-146
|
| Brux, H., Heim, R., Wiegleb, G. 1989: Untersuchungen zu Lebenszyklus und Phänologie von Potamogeton alpinus Balbis und P. natans L.. Verhandlungen der Gesellschaft für Ökologie 18:665-670
|
| Kästner, A., Karrer, G. 1995: Übersicht der Wuchsformentypen als Grundlage für deren Erfassung in der "Flora von Österreich". Florae Austriacae Novit. 3:1-51
|
| Glück, H. 1924: Biologische und morphologische Untersuchungen über Wasser- und Sumpfgewächse. 4. Aufl., Jena
|
| Sculthorpe, C.D. 1967: The biology of aquatic vascular plants. Edward Arnold, London
|
| Irmisch, T. 1858: Ueber einige Arten aus der natürlichen Pflanzenfamilie der Potameen. Abh. naturwiss. Verein Sachs. u. Thür. 2:1-56
|
|
| Flowering phenology » |
| Begin of flowering (months) |
6 |
| End of flowering (months) |
8 |
| Duration of flowering (months) |
3 |
| Number of flowering phases |
0 |
| Symphenological Groups » |
| Phenological group |
6 (Cornus sanguinea-Melica uniflora-Phase)
Phenological season: start 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 |
vvs (mostly vegetatively, rarely by seed) |
| Reference |
Hettiarachchi, P., Triest, L. 1991: Isozyme polymorphism in the genus Potamogeton (Potamogetonaceae). In: Triest, L. (Hrsg.) Isozymes in Water Plants, 4, S. 87-114, National Botanic Garden of Belgium, Meise |
| Type of seed production » |
| Type of seed production |
s (amphimictic, sexual) |
| Reference |
Proctor, M.C.F., Yeo, P., Lack, A. 1996: The natural history of pollination. HarperCollins Publishers, London |
| Dicliny » |
| Dicliny |
so (hermaphroditic) |
| Abundance |
always [1] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dichogamy » |
| Dichogamy |
g3 (pronounced protogynous) |
| Reference |
Daumann, E. 1963: Zur Frage nach dem Ursprung der Hydrogamie. Zugleich ein Beitrag zur Blütenlkologie von Potamogeton. Preslia (Praha) 35:23-30 |
| Dichogamy |
g2 (protogynous) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| 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 |
genus [G] |
| Pollen vector » |
| Pollen vector |
wi (wind)
Pollen vector group: ab (abiotische Bestäubung) |
| Abundance |
always [1] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Systematic reference |
species [S] |
| Breeding system » |
| Breeding system |
XF (facultative allogamous) |
| Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
| P/O ratio » |
| P/O ratio |
36000.0 |
| Reference |
Philbrick, C.T., Anderson, G.J. 1987: Implications of pollen/ovule ratios for the reproductive biology of Potamogeton and autogamy in aquatic angiosperms. Systematic Botany 12:98-105 |
| 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 |
SaStF (aggregate drupelets) |
| Diaspore type » |
| Diaspore type |
Fch (fruitlet) |
| Germinule type » |
| Heteromorphic type |
n (not heteromorphic) |
| Germinule type |
FchT (part of fruitlet) |
| Information available |
True |
| Development of nutritious appendages |
|
| Development of flat appendages |
|
| Development of elongated appendages |
sometimes [2] |
| Development of additional appendages |
|
| Weights » |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
FchT (part of fruitlet) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Weight (minimum) [mg] |
4.2 |
| Weight (mean) [mg] |
5.0 |
| Weight (maximum) [mg] |
5.8 |
| Sizes » |
| Measured object |
Germinule |
| Type of germinule or diaspore |
FT (part of fruit) |
| Constraint |
True |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
2.2 |
| Length (mean) [mm] |
2.7 |
| Length (maximum) [mm] |
3.2 |
| Width (minimum) [mm] |
1.8 |
| Width (mean) [mm] |
2.2 |
| Width (maximum) [mm] |
2.7 |
| Height (minimum) [mm] |
|
| Height (mean) [mm] |
|
| Height (maximum) [mm] |
|
| Measured object |
Diaspore |
| Type of germinule or diaspore |
FchT (part of fruitlet) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
3.0 |
| Length (mean) [mm] |
4.3 |
| Length (maximum) [mm] |
5.0 |
| Width (minimum) [mm] |
2.0 |
| Width (mean) [mm] |
2.6 |
| Width (maximum) [mm] |
3.0 |
| Height (minimum) [mm] |
|
| Height (mean) [mm] |
|
| Height (maximum) [mm] |
|
| 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)
|
| Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
|
| Aalto, M. 1970: Potamogetonaceae fruits. I. Recent and subfossil endocarps of the Fennoscandian species. Acta Botanica Fennica 88:1-85 (Gattung)
|
| Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
|
| Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
| Cappers 1993: The identification of Potamogetonaceae fruits found in The Netherlands. Acta Botanica Neerlandica 42:447-460 (Gattung)
|
|
| Habitat » |
| Habitat |
L3.1.4.2 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.2 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.2.4.2 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.3 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.7 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.9.4.2 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
|
| Class » |
| English circumscription |
01.2 (Communities of aquatic plants rooting in the bed)
Class: Potamogetonetea pectinati
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