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Overview of all traits of a species |
| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Najas flexilis (Willd.) Rostk. & W. L. E. Schmidt |
Najadaceae » |
Biegsames Nixenkraut
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| 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) |
| Najas flexilis (Willd.) Rostk. & W. L. E. Schmidt |
accepted |
| Caulinia flexilis Willd. |
Basionym |
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| Chromosome number » |
| Basic chromosome number |
6 |
| Chromosome number 2n |
24 |
| 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 |
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| 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 |
0 (not available)
Phenological season: not available |
| Reference |
Dierschke, H 1995: Phänologische und symphänologische Artengruppen von Blütenpflanzen in Mitteleuropa. Tuexenia 15: 523-560 |
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| Type of reproduction » |
| Type of reproduction |
sv (by seed and vegetatively) |
| 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 |
mo (monoecious) |
| Abundance |
always [1] |
| 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 |
wa (water)
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. |
| Flower class after MUELLER » |
| Flower class after MUELLER |
Hy (water flowers: pollination on or under water)
Typical pollinators: - |
| Flower type after KUGLER » |
| Flower type after KUGLER |
0 (not applicable) |
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| Fruit type » |
| Fruit type |
StF (drupe) |
| Diaspore type » |
| Diaspore type |
F (fruit) |
| Germinule type » |
| Heteromorphic type |
n (not heteromorphic) |
| Germinule type |
FT (part of fruit) |
| Information available |
False |
| Development of nutritious appendages |
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| Development of flat appendages |
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| Development of elongated appendages |
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| Development of additional appendages |
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| Sizes » |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
F (fruit) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
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| Length (mean) [mm] |
2.0 |
| Length (maximum) [mm] |
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| Width (minimum) [mm] |
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| Width (mean) [mm] |
1.0 |
| Width (maximum) [mm] |
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| Height (minimum) [mm] |
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| Height (mean) [mm] |
1.0 |
| Height (maximum) [mm] |
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| special references:
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| Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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| Habitat » |
| Habitat |
L3.4 (null)
Alliance: ???
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| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
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| Class » |
| English circumscription |
01.2 (Communities of aquatic plants rooting in the bed)
Class: Potamogetonetea pectinati
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