species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Polycnemum arvense L. |
Chenopodiaceae » |
Acker-Knorpelkraut
|
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) |
Polycnemum arvense L. |
accepted |
|
Chromosome number » |
Basic chromosome number |
9 |
Chromosome number 2n |
18 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
D (diploid with haploid basic number) |
Reference |
Löve, A., Löve, D. 1974: Cytotaxonomical Atlas of the Slovenian Flora. Cramer, Lehre |
Basic chromosome number |
12 |
Chromosome number 2n |
24 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Mesicek, J., Javurkova-Jarolimova, V. 1992: List of chromosome numbers of the Czech vascular plants. Academia, Praha |
|
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 |
Anmerkung 2002: Sexuelle Samenproduktion, da keine Apomikten in Gattung bekannt |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Haeupler, H., Muer, T. 2000: Bildatlas der Farn- und Blütenpflanzen Deutschlands. Ulmer, Stuttgart |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SC (self-compatibel) |
Reference |
East, E.M. 1940: The distribution of self-sterility in the flowering plants. Proceedings of the American Philosophical Society 82:449-518 |
Systematic reference |
family [F] |
Pollen vector » |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
the rule [2] |
Reference |
Anmerkung 2002: pers. obs. |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
AO (autogamous) |
Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
Flower color » |
Flower colour |
green or reddish |
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 |
Wb (wind flowers occassionally visited by insect) Typical pollinators: Short tongued bees, syrphids, flies, beetles |
Flower type after KUGLER » |
Flower type after KUGLER |
0 (not applicable) |
|
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 |
|
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 |
|
Development of elongated appendages |
|
Development of additional appendages |
always [1] |
Heteromorphic type |
n (not heteromorphic) |
Germinule type |
S (seed) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
|
Development of elongated appendages |
|
Development of additional appendages |
|
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
1.0 |
Length (mean) [mm] |
1.2 |
Length (maximum) [mm] |
1.5 |
Width (minimum) [mm] |
|
Width (mean) [mm] |
|
Width (maximum) [mm] |
|
Height (minimum) [mm] |
|
Height (mean) [mm] |
|
Height (maximum) [mm] |
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special references:
|
Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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Habitat » |
Habitat |
T9.1.2.2 (null) Alliance: Caucalidion platycarpi
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Class » |
English circumscription |
05.2 (Pioneer communities of hair-grasses) Class: Koelerio-Corynephoretea
|
English circumscription |
06.4 (Annual ruderal communities) Class: Sisymbrietea officinalis
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English circumscription |
06.6 (Chickweed and other field weed communities) Class: Stellarietea mediae
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