species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Alnus incana (L.) Moench |
Betulaceae » |
Grau-Erle
|
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) |
Alnus incana (L.) Moench |
accepted |
Betula alnus var. incana L. |
Basionym |
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Flowering phenology » |
Begin of flowering (months) |
2 |
End of flowering (months) |
4 |
Duration of flowering (months) |
3 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
1 (Corylus-Leucojum-Phase) Phenological season: pre-spring |
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 |
Rothmaler, W. 1990: Exkursionsflora. Band 4, Kritischer Band. 8. Aufl., Verlag Volk und Wissen, Berlin |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SI (self-incompatibel) |
Reference |
Hagman, M. 1975: Incompatibility in forest trees. Proceedings of the Royal Society London. Series B 188:313-326 |
Systematic reference |
species [S] |
SI mechanism » |
SI mechanism |
GSI (gametophytic self-incompatibility) |
Reference |
de Nettancourt, D. 1977: Incompatibility in angiosperms. Springer, Berlin |
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 |
X (allogamous) |
Reference |
Anmerkung 2002: xenogam, da SI |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
1 (none) |
Flower color » |
Flower colour |
brownish |
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 |
Nu (nut) |
Diaspore type » |
Diaspore type |
F (fruit) |
Germinule type » |
Heteromorphic type |
n (not heteromorphic) |
Germinule type |
F (fruit) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
always [1] |
Development of elongated appendages |
|
Development of additional appendages |
|
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
|
Weight (mean) [mg] |
0.6 |
Weight (maximum) [mg] |
|
Measured object |
Diaspore |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
|
Weight (mean) [mg] |
0.6 |
Weight (maximum) [mg] |
|
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
2.0 |
Length (mean) [mm] |
2.7 |
Length (maximum) [mm] |
4.2 |
Width (minimum) [mm] |
2.0 |
Width (mean) [mm] |
2.4 |
Width (maximum) [mm] |
3.7 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.4 |
Height (maximum) [mm] |
0.5 |
Measured object |
Diaspore |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
2.0 |
Length (mean) [mm] |
2.7 |
Length (maximum) [mm] |
4.2 |
Width (minimum) [mm] |
2.0 |
Width (mean) [mm] |
2.4 |
Width (maximum) [mm] |
3.7 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.4 |
Height (maximum) [mm] |
0.5 |
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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Brzeziecki, B., Kienast, F. 1994: Classifying the life-history strategies of trees on the basis of the Grimian model. Forest Ecology and Management 69:167-187 (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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McVean, D.N. 1953: Biological Flora of the British Isles: Alnus glutinosa (L.) Gaertn. (A. rotundifolia Stokes). Journal of Ecology 41:447-466 (Gattung)
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Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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Berggren, G. 1981: Atlas of seeds and small fruits of Northwest-European plant species with morphological descriptions. - Part 3 (Salicaceae-Cruciferaceae). Swedish Museum of Natural History, Stockholm (Gattung)
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Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
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Müller, P. 1955: Verbreitungsbiologie (Diasporologie) der Blütenpflanzen. Veröffentlichungen des Geobotanischen Institutes Rübel Zürich . Verlag Hans Huber, Bern. (Gattung)
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Schütt, P., Schuch, H.J., Aas, G., Lang, U.M. 1994: Enzyklopädie der Holzgewächse. Handbuch und Atlas der Dendrologie. Landsberg am Lech (Gattung)
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Habitat » |
Habitat |
L5.1.3 (null) Alliance: Alnetum incanae
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Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Class » |
English circumscription |
10.2 (Mesophilous, summer-green deciduous forests) Class: Carpino-Fagetea
|
English circumscription |
10.7 (Snow-heather pine-forests) Class: Erico-Pinetea
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