| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Galeopsis segetum Neck. |
Lamiaceae » |
Gelber Hohlzahn
|
| 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) |
| Galeopsis segetum Neck. |
accepted |
| Galeopsis dubia Leers |
Synonym |
| Galeopsis ochroleuca Lam. |
Synonym |
|
| Chromosome number » |
| Basic chromosome number |
8 |
| Chromosome number 2n |
16 |
| Chromosome number (Germany) |
True |
| 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) |
6 |
| End of flowering (months) |
8 |
| Duration of flowering (months) |
3 |
| Number of flowering phases |
0 |
| Symphenological Groups » |
| Phenological group |
8 (Clematis vitalba-Galium sylvaticum-Phase)
Phenological season: midsummer |
| 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 |
| Dichogamy » |
| Dichogamy |
a1 (slightly protandrous) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Self-sterility and self-incompatibility » |
| Self-sterility and self-incompatibility |
SC (self-compatibel) |
| Reference |
Müntzing, A. 1930: Outlines to a genetic monograph of the genus Galeopsis with special reference to the nature and inheritance of partial sterility. Hereditas 13:185-333 |
| Systematic reference |
species [S] |
| Pollen vector » |
| Pollen vector |
se (selfing)
Pollen vector group: se (Selbstbestäubung) |
| Abundance |
at failure of outcrossing [7] |
| 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 |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Systematic reference |
species [S] |
| Breeding system » |
| Breeding system |
XF (facultative allogamous) |
| Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
| Floral rewards » |
| Floral rewards |
1 (nectar) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Amount of floral reward |
3 (present) |
| Flower color » |
| Flower colour |
yellow |
| Basic flower colour |
g (yellow) |
| 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 |
1 (0-7 %) |
| UV reflection in the centre of the flower |
1 (0-7 %) |
| UV reflection pattern |
0 (no UV reflectance patterns) |
| Flower class after MUELLER » |
| Flower class after MUELLER |
Hh (bumble bee flowers)
Typical pollinators: bumble bees |
| Flower type after KUGLER » |
| Flower type after KUGLER |
5.1 (true lip flowers) |
|
| Fruit type » |
| Fruit type |
BrF (lomentum) |
| Diaspore type » |
| Diaspore type |
TF (mericarp) |
| Germinule type » |
| Heteromorphic type |
n (not heteromorphic) |
| Germinule type |
TF (mericarp) |
| Information available |
True |
| Development of nutritious appendages |
|
| Development of flat appendages |
|
| Development of elongated appendages |
|
| Development of additional appendages |
|
| Weights » |
| Measured object |
Germinule |
| Type of germinule or diaspore |
TF (mericarp) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Weight (minimum) [mg] |
|
| Weight (mean) [mg] |
1.4 |
| Weight (maximum) [mg] |
|
| Measured object |
Diaspore |
| Type of germinule or diaspore |
TF (mericarp) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Weight (minimum) [mg] |
|
| Weight (mean) [mg] |
1.4 |
| Weight (maximum) [mg] |
|
| Sizes » |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
TF (mericarp) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
2.0 |
| Length (mean) [mm] |
2.2 |
| Length (maximum) [mm] |
2.5 |
| Width (minimum) [mm] |
1.2 |
| Width (mean) [mm] |
1.5 |
| Width (maximum) [mm] |
1.7 |
| Height (minimum) [mm] |
0.8 |
| Height (mean) [mm] |
0.9 |
| Height (maximum) [mm] |
0.9 |
| Measured object |
Germinule |
| Type of germinule or diaspore |
TF (mericarp) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
2.0 |
| Length (mean) [mm] |
2.2 |
| Length (maximum) [mm] |
2.5 |
| Width (minimum) [mm] |
1.2 |
| Width (mean) [mm] |
1.5 |
| Width (maximum) [mm] |
1.7 |
| Height (minimum) [mm] |
0.8 |
| Height (mean) [mm] |
0.9 |
| Height (maximum) [mm] |
0.9 |
| 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)
|
| Thompson, K., Band, S.R., Hodgson, J.G. 1993: Seed size and shape predict persistence in soil. Functional Ecology 7:236-241 (Gattung)
|
| Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (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)
|
| Cremer, J., Partzsch, M., Zimmermann, M., Schwär, C., Goltz, H. 1991: Acker- und Gartenwildkräuter: ein Bestimmungsbuch. . Deutscher Landwirtschaftsverlag, Berlin. (Gattung)
|
| Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
|
| Salisbury, E.J. 1974: Seed size and mass in relation to environment. Proceedings of the Royal Society, London, Series B 186:83-88 (Gattung)
|
| Heinisch, O. 1955: Samenatlas der wichtigsten Futterpflanzen und ihrer Unkräuter. Deutsche Akad. Landwirtsch.-Wiss., Berlin (Gattung)
|
|
| Habitat » |
| Habitat |
T5.1.1.2 (null)
Alliance: Galeopsion segetum
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
|
| Class » |
| English circumscription |
04.3 (Communities of boulders and scree)
Class: Thlaspietea rotundifolii
|
| English circumscription |
06.6 (Chickweed and other field weed communities)
Class: Stellarietea mediae
|
| English circumscription |
07.1 (Thermophilous and mesophilous forest grassland ecotones)
Class: Trifolio-Geranietea sanguinei
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