species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Senecio vernalis Waldst. & Kit. |
Asteraceae » |
Frühlings-Greiskraut
|
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) |
Senecio vernalis Waldst. & Kit. |
accepted |
|
Chromosome number » |
Basic chromosome number |
10 |
Chromosome number 2n |
20 |
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 |
|
DNA content » |
DNA content (pg/2C) |
2.5 |
Chromosome number |
40 |
Quality |
chromosome number known, but does not occur in Germany [n] |
Authorised in BENNET & LEITCH 2001 |
True |
Reference |
Bennett, M.D., Smith, J.S. 1976: Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society London B 274:227-274 |
|
Flowering phenology » |
Begin of flowering (months) |
5 |
End of flowering (months) |
11 |
Duration of flowering (months) |
7 |
Number of flowering phases |
2 |
Symphenological Groups » |
Phenological group |
4 (Fagus-Lamiastrum-Phase) Phenological season: start of mid spring |
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 |
gm (gynomonoecious) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
a2 (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] |
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 |
5 (40-66 %) |
UV reflection in the centre of the flower |
1 (0-7 %) |
UV reflection pattern |
1 (UV reflectance pattern present) |
Flower class after MUELLER » |
Flower class after MUELLER |
B` (flower associations with totally hidden nectar) Typical pollinators: bees, bumble bees, wasps, bombylides, syrphids |
Flower type after KUGLER » |
Flower type after KUGLER |
7.2c (flower heads, Asteraceae, ray and disk flowers) |
|
Fruit type » |
Fruit type |
Nu (nut) |
Diaspore type » |
Diaspore type |
F (fruit) |
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 |
|
Development of elongated appendages |
sometimes [2] |
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] |
0.1 |
Weight (mean) [mg] |
0.2 |
Weight (maximum) [mg] |
0.2 |
Measured object |
Diaspore |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.1 |
Weight (mean) [mg] |
0.2 |
Weight (maximum) [mg] |
0.2 |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
1.9 |
Length (mean) [mm] |
2.5 |
Length (maximum) [mm] |
3.0 |
Width (minimum) [mm] |
0.2 |
Width (mean) [mm] |
0.3 |
Width (maximum) [mm] |
0.4 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
Measured object |
Diaspore |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
1.9 |
Length (mean) [mm] |
2.5 |
Length (maximum) [mm] |
3.0 |
Width (minimum) [mm] |
0.2 |
Width (mean) [mm] |
0.3 |
Width (maximum) [mm] |
0.4 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
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)
|
Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
|
Briemle, G. 1996: Farbatlas Kräuter und Gräser. Ulmer, Stuttgart (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)
|
Matlack, G.R. 1987: Diaspore size, shape, and fall behavior in wind-dispersed plant species. American Journal of Botany 74:1150-1160 (Gattung)
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Vogler, P. 1901: Ueber die Verbreitungsmittel der schweizerischen Alpenpflanzen. Flora 89 (Ergänzungsband zum Jg.1901):1-137 (Gattung)
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Habitat » |
Habitat |
T10.3.3.1 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T8.3 (null) Alliance: Sisymbrienea
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T9.1.1.1 (null) Alliance: Aperion spicae-venti
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
06.4 (Annual ruderal communities) Class: Sisymbrietea officinalis
|
English circumscription |
06.6 (Chickweed and other field weed communities) Class: Stellarietea mediae
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