| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Fagopyrum esculentum Moench |
Polygonaceae » |
Echter Buchweizen
|
| 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) |
| Fagopyrum esculentum Moench |
accepted |
| Polygonum fagopyrum L. |
Nomen Substitutum |
| Fagopyrum sagittatum Gilib., nom. inval. (op. utique oppr.) |
Synonym |
| Fagopyrum vulgare Delarbre |
Synonym |
|
| Chromosome number » |
| Basic chromosome number |
8 |
| Chromosome number 2n |
16 |
| Chromosome number (Germany) |
False |
| Most common chromosome race |
False |
| Ploidy level |
2 (diploid) |
| Ploidy type |
D (diploid with haploid basic number) |
| Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
| Flowering phenology » |
| Begin of flowering (months) |
7 |
| End of flowering (months) |
10 |
| Duration of flowering (months) |
4 |
| 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 |
|
| 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 |
the rule [2] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dicliny |
gm (gynomonoecious) |
| Abundance |
rare [4] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dicliny |
gd (gynodioecious) |
| Abundance |
rare [4] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dicliny |
am (andromonoecious) |
| Abundance |
rare [4] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dicliny |
ad (androdioecious) |
| Abundance |
rare [4] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Heterostyly » |
| Heterostyly |
d (distylous)
Hetero/homostyly: e |
| Reference |
Kishima, Y., OGURA, K., Mizukami, K., MIKAMI, T., Adachi, T. 1995: Chloroplast DNA analysis in buckwheat species - phylogenetic relationships, origin of the reproductive systems and extended inverted repeats. Plant Science 108:173-179 |
| Heterostyly |
d (distylous)
Hetero/homostyly: e |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Self-sterility and self-incompatibility » |
| Self-sterility and self-incompatibility |
C+ (± self-compatibel) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Systematic reference |
species [S] |
| Self-sterility and self-incompatibility |
SI (self-incompatibel) |
| Reference |
Kishima, Y., OGURA, K., Mizukami, K., MIKAMI, T., Adachi, T. 1995: Chloroplast DNA analysis in buckwheat species - phylogenetic relationships, origin of the reproductive systems and extended inverted repeats. Plant Science 108:173-179 |
| Systematic reference |
species [S] |
| SI mechanism » |
| SI mechanism |
HSI (heteromorphic self-incompatibility) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| SI mechanism |
ID (inbreeding depression) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Pollen vector » |
| Pollen vector |
se (selfing)
Pollen vector group: se (Selbstbestäubung) |
| Abundance |
possible [5] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Systematic reference |
species [S] |
| Pollen vector |
in (insects)
Pollen vector group: zo (Tierbestäubung) |
| Abundance |
the rule [2] |
| Reference |
Bengt, J. (Hrsg.) 2000: Flora Nordica 1. The Royal Swedish Academy of Sciences, Stockholm |
| Systematic reference |
species [S] |
| Breeding system » |
| Breeding system |
X (allogamous) |
| Reference |
Bengt, J. (Hrsg.) 2000: Flora Nordica 1. The Royal Swedish Academy of Sciences, Stockholm |
| Floral rewards » |
| Floral rewards |
1 (nectar) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Amount of floral reward |
4 (plenty) |
| Flower color » |
| Flower colour |
white or pink red |
| Basic flower colour |
w (white) |
| 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 |
3 (16-27 %) |
| UV reflection in the centre of the flower |
3 (16-27 %) |
| UV reflection pattern |
0 (no UV reflectance patterns) |
| 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 |
1.2a (disk flowers with nectar open) |
|
| Fruit type » |
| Fruit type |
Nu (nut) |
| 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 |
|
| Development of additional appendages |
sometimes [2] |
| Sizes » |
| Measured object |
Germinule |
| Type of germinule or diaspore |
FZb (fruit with appendage) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
4.5 |
| Length (mean) [mm] |
5.5 |
| Length (maximum) [mm] |
6.5 |
| Width (minimum) [mm] |
2.6 |
| Width (mean) [mm] |
3.2 |
| Width (maximum) [mm] |
4.6 |
| Height (minimum) [mm] |
2.6 |
| Height (mean) [mm] |
3.2 |
| Height (maximum) [mm] |
4.6 |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
FZb (fruit with appendage) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
4.5 |
| Length (mean) [mm] |
5.5 |
| Length (maximum) [mm] |
6.5 |
| Width (minimum) [mm] |
2.6 |
| Width (mean) [mm] |
3.2 |
| Width (maximum) [mm] |
4.6 |
| Height (minimum) [mm] |
2.6 |
| Height (mean) [mm] |
3.2 |
| Height (maximum) [mm] |
4.6 |
| special references:
|
| Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
|
| 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)
|
| Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
| Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
|
| Häfliger, T.J., Wolf, M. 1988: Dicot Weeds. Documenta CIBA-GEIGY Ltd., Basel (Gattung)
|
|
| Habitat » |
| Habitat |
T9.1 (null)
Alliance: Violenea arvensis
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
vor allem in Buchweizenfeldern |
|
| Class » |
| English circumscription |
06.4 (Annual ruderal communities)
Class: Sisymbrietea officinalis
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