species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Rheum rhabarbarum L. |
Polygonaceae » |
Gewöhnlicher Rhabarber
|
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) |
Rheum rhabarbarum L. |
accepted |
|
Flowering phenology » |
Begin of flowering (months) |
4 |
End of flowering (months) |
5 |
Duration of flowering (months) |
2 |
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 |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
a3 (pronounced protandrous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Pollen vector » |
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] |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
3 (present) |
Flower color » |
Flower colour |
greenish |
Basic flower colour |
gr (green) |
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 |
AB (flowers with partly hidden nectar) Typical pollinators: syrphids, bees |
Flower type after KUGLER » |
Flower type after KUGLER |
1.2bb (disk flowers with nectar ± hidden nectaries at base of stamens) |
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Fruit type » |
Fruit type |
Nu (nut) |
Diaspore type » |
Diaspore type |
FZb (fruit with appendage) |
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 |
|
Heteromorphic type |
n (not heteromorphic) |
Germinule type |
FZb (fruit with appendage) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
always [1] |
Development of elongated appendages |
|
Development of additional appendages |
always [1] |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
7.0 |
Length (mean) [mm] |
8.0 |
Length (maximum) [mm] |
9.0 |
Width (minimum) [mm] |
2.5 |
Width (mean) [mm] |
2.8 |
Width (maximum) [mm] |
3.0 |
Height (minimum) [mm] |
2.5 |
Height (mean) [mm] |
2.8 |
Height (maximum) [mm] |
3.0 |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
7.0 |
Length (mean) [mm] |
9.0 |
Length (maximum) [mm] |
10.0 |
Width (minimum) [mm] |
6.0 |
Width (mean) [mm] |
6.6 |
Width (maximum) [mm] |
8.0 |
Height (minimum) [mm] |
6.0 |
Height (mean) [mm] |
7.0 |
Height (maximum) [mm] |
8.0 |
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
7.0 |
Length (mean) [mm] |
9.0 |
Length (maximum) [mm] |
10.0 |
Width (minimum) [mm] |
6.0 |
Width (mean) [mm] |
6.6 |
Width (maximum) [mm] |
8.0 |
Height (minimum) [mm] |
6.0 |
Height (mean) [mm] |
7.0 |
Height (maximum) [mm] |
8.0 |
special references:
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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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