species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Knautia arvensis (L.) Coult. s. str. |
Dipsacaceae » |
Wiesen-Witwenblume
|
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) |
Knautia arvensis (L.) Coult. |
accepted |
Knautia arvensis subsp. arvensis |
Synonym |
Scabiosa arvensis L. |
Basionym |
Scabiosa polymorpha F. W. Schmidt |
Synonym |
Knautia arvensis f. integrifolia |
Synonym |
Knautia arvensis var. polymorpha (F. W. Schmidt) Szabó |
Synonym |
Knautia sylvatica , auct., non Duby |
Synonym |
Scabiosa arvensis var. integrifolia Becker |
Synonym |
<Knautia arvensis agg. |
accepted |
<Knautia arvensis (L.) Coult., s. l. |
Synonym |
|
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 |
Basic chromosome number |
10 |
Chromosome number 2n |
40 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
4 (tetraploid) |
Ploidy type |
P (polyploid with haploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
Life form » |
Life form |
H (Hemicryptophyte) |
Qualifier |
always [1] |
Life span » |
Life span |
p (pluriennial-pollakanthic) |
Qualifier |
always [1] |
Storage organs » |
Storage organs |
p (Pleiocorm) |
Qualifier |
always [1] |
Storage organs |
r (Primary storage root) |
Qualifier |
always [1] |
Shoot metamorphoses » |
Shoot metamorphoses |
p (Pleiocorm) |
Qualifier |
always [1] |
Root metamorphoses » |
Root metamorphoses |
r (Primary storage root) |
Qualifier |
always [1] |
Rosettes » |
Rosettes |
h (Hemirosette plant) |
Qualifier |
always [1] |
special references:
|
Hensen, I. 1997: Life strategies of xerothermic grasslands - mechanisms of reproduction and colonization within Stipetum capillatae s.l. and Adonido-Brachypodietum pinnati. Feddes Repertorium 108:425-452
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Golubev, V.N. 1957: Materialy k ekologo-morfologiceskoj i geneticeskoj charakteristikje zhizjennych form travjanistych rastenij. Botaniceskij Zhurnal 42:1055-1072
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Briemle, G., Schreiber, K.F. 1994: Zur Frage der Beeinflussung pflanzlicher Lebens- und Wuchsformen durch unterschiedliche Landschaftspflegemaßnahmen. Tuexenia 14:229-244
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Kutschera, L., Lichtenegger, E. 1992: Wurzelatlas mitteleuropäischer Grünlandpflanzen. Bd. 2 Pteridophyta und Dicotyledonae (Magnoliopsida). Teil I Morphologie, Anatomie, Ökologie, Verbreitung, Soziologie, Wirtschaft. Fischer, Stuttgart, Jena, New York
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Reling, U. 1973: Über Wuchsformen einiger Arten der Gattung Knautia. Dipl.-Arb., Inst. f. Geobotanik, Martin-Luther-Univ. Halle-Wittenberg
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|
Flowering phenology » |
Begin of flowering (months) |
7 |
End of flowering (months) |
8 |
Duration of flowering (months) |
2 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
7 (Ligustrum-Stachys sylvatica-Phase) Phenological season: end of early summer |
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 |
gd (gynodioecious) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
a3 (pronounced protandrous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
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] |
SI mechanism » |
SI mechanism |
ID (inbreeding depression) |
Reference |
Vange, V. 2000: Breeding system and inbreeding depression in Knautia arvensis. SCAPE 2000. Meeting of the Scandinavian Association of Pollination Ecology(http://www. vyh. fi/syke/people/terhi_ryttari/scapemain. htm) |
Pollen vector » |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
rare [4] |
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 |
Vange, V. 2000: Breeding system and inbreeding depression in Knautia arvensis. SCAPE 2000. Meeting of the Scandinavian Association of Pollination Ecology(http://www. vyh. fi/syke/people/terhi_ryttari/scapemain. htm) |
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 |
bluish red to violet |
Basic flower colour |
b (blue) |
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 |
B` (flower associations with totally hidden nectar) Typical pollinators: bees, bumble bees, wasps, bombylides, syrphids |
Flower type after KUGLER » |
Flower type after KUGLER |
7.1 (flower heads, non-Asteraceae) |
|
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 |
always [1] |
Development of flat appendages |
|
Development of elongated appendages |
always [1] |
Development of additional appendages |
always [1] |
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
4.6 |
Weight (mean) [mg] |
4.6 |
Weight (maximum) [mg] |
4.7 |
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
4.6 |
Weight (mean) [mg] |
4.6 |
Weight (maximum) [mg] |
4.7 |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
True |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
3.5 |
Length (mean) [mm] |
5.0 |
Length (maximum) [mm] |
6.0 |
Width (minimum) [mm] |
2.0 |
Width (mean) [mm] |
2.1 |
Width (maximum) [mm] |
2.4 |
Height (minimum) [mm] |
1.0 |
Height (mean) [mm] |
1.3 |
Height (maximum) [mm] |
2.0 |
special references:
|
Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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Bresinsky, A. 1963: Bau, Entwicklungsgeschichte und Inhaltsstoffe der Elaiosomen. Studien zur myrmekochoren Verbreitung von Samen und Früchten. Bibliotheca Botanica Vol. 126. (Gattung)
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Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
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Luftensteiner, H.W. 1982: Untersuchungen zur Verbreitungssbiologie von Pflanzengemeinschaften an vier Standorten in Niederösterreich. Bibliotheca Botanica 135:1-68 (Gattung)
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Grassland utilization indicator values » |
Occurrence |
GE (little used grasslands) |
Guild |
K (forb) |
Mowing tolerance |
5 (moderately tolerant to mowing) |
Grazing tolerance |
3 (sensitive to grazing) |
Trampling tolerance |
2 (between 1 and 3 (intolerant to sensitive to trampling)) |
Foraging value |
3 (little forage value) |
Foraging value for deer |
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|
Habitat » |
Habitat |
T6.2.2.2.3 (null) Alliance: Bromion erecti
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.1.2 (null) Alliance: Arrhenatherion
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T9.1.2.2 (null) Alliance: Caucalidion platycarpi
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Class » |
English circumscription |
05.3 (Fescue-brome communities of dry and semi-dry grasslands) Class: Festuco-Brometea
|
English circumscription |
05.4 (Commercially used grasslands) Class: Molinio-Arrhenatheretea
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English circumscription |
06.5 (Eusiberian ruderal mugwort and thistles communities, and couch-grasslands) Class: Artemisietea vulgaris
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English circumscription |
06.6 (Chickweed and other field weed communities) Class: Stellarietea mediae
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