species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Nardus stricta L. |
Poaceae » |
Borstgras
|
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) |
Nardus stricta L. |
accepted |
|
Chromosome number » |
Basic chromosome number |
13 |
Chromosome number 2n |
26 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
15 |
Chromosome number 2n |
30 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
DNA content » |
DNA content (pg/2C) |
4.2 |
Chromosome number |
26 |
Quality |
chromosome number known and occurring in Germany [b] |
Authorised in BENNET & LEITCH 2001 |
True |
Reference |
Bennett, M.D., Smith, J.S. 1991: Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society London B 334:309-345 |
|
Life form » |
Life form |
H (Hemicryptophyte) |
Qualifier |
always [1] |
Life span » |
Life span |
p (pluriennial-pollakanthic) |
Qualifier |
always [1] |
Vegetative propagation » |
Vegetative propagation |
rh (Rhizome) |
Qualifier |
always [1] |
Storage organs » |
Storage organs |
h (Tuft) |
Qualifier |
always [1] |
Storage organs |
rh (Rhizome) |
Qualifier |
always [1] |
Shoot metamorphoses » |
Shoot metamorphoses |
rh (Rhizome) |
Qualifier |
always [1] |
Rosettes » |
Rosettes |
g (Rosette plant) |
Qualifier |
always [1] |
special references:
|
Chadwick, M.J. 1960: Biological Flora of the British Isles: Nardus stricta L.. Journal of Ecology 48:255-267
|
Söyrinki, N. 1939: Studien ber die generative und vegetative Vermehrung der Samenpflanzen in der alpinen Vegetation Petsamo-Lapplands. Ann. Bot. Soc. "Vanamo" 14:1-404
|
Perttula, U. 1941: Untersuchungen über die generative und vegetative Vermehrung der Blütenpflanzen in der Wald-Hainwiesen- und Hainfelsen-Vegetation. Ann. Acad. Sci. Fennici, Ser. A, 58:1-388
|
Golubev, V.N. 1957: Materialy k ekologo-morfologiceskoj i geneticeskoj charakteristikje zhizjennych form travjanistych rastenij. Botaniceskij Zhurnal 42:1055-1072
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Pokarzhevskaya, G.A. 1995: Morphological analysis of alpine communities of the North-western Caucasus. Folia Geobotanica Phytotaxonomica 30:197-210
|
Wilhalm, T. 1995: A comparative study of clonal fragmentation in tussock-forming grasses. Abstr. Bot. 19:51-60
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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
|
Mühlberg, H. 1967: Die Wuchstypen mitteleuropäischer Poaceen. Hercynia N. F. 4:11-50
|
Kästner, A., Karrer, G. 1995: Übersicht der Wuchsformentypen als Grundlage für deren Erfassung in der "Flora von Österreich". Florae Austriacae Novit. 3:1-51
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|
Flowering phenology » |
Begin of flowering (months) |
5 |
End of flowering (months) |
6 |
Duration of flowering (months) |
2 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
5 (Sorbus aucuparia-Galium odoratum-Phase) Phenological season: end 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 |
vvs (mostly vegetatively, rarely by seed) |
Reference |
Chadwick, M.J. 1960: Biological Flora of the British Isles: Nardus stricta L.. Journal of Ecology 48:255-267 |
Type of seed production » |
Type of seed production |
f (facultativ apomictic) |
Reference |
Conert, H.J. 1979: Poaceae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, 1(3), S. 1-843, Parey, Berlin |
Type of apomixis » |
Type of apomixis |
a (autonomous) |
Reference |
Rychlewski, J. 1961: Cyto-embryological studies in the apomictic species Nardus stricta L.. Acta Biologica Cracoviensia Series Botanica 4:1-23 |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Connor, H.E. 1979: Breeding system in the grasses: a survey. New Zealand Journal of Botany 17:547-574 |
Dichogamy » |
Dichogamy |
g3 (pronounced protogynous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy |
g2 (protogynous) |
Reference |
Chadwick, M.J. 1960: Biological Flora of the British Isles: Nardus stricta L.. Journal of Ecology 48:255-267 |
Pollen vector » |
Pollen vector |
wi (wind) Pollen vector group: ab (abiotische Bestäubung) |
Abundance |
the rule [2] |
Reference |
Frank, D., Klotz, S. 1990: Biologisch-ökologische Daten zur Flora der DDR. Wissenschaftliche Beiträge Martin-Luther Univ. Halle-Wittenberg Vol. 32 (P41) |
Systematic reference |
family [F] |
Flower class after MUELLER » |
Flower class after MUELLER |
W (wind flowers) Typical pollinators: - |
Flower type after KUGLER » |
Flower type after KUGLER |
0 (not applicable) |
|
Fruit type » |
Fruit type |
Nu (nut) |
Diaspore type » |
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 |
always [1] |
Development of additional appendages |
always [1] |
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.4 |
Weight (mean) [mg] |
0.4 |
Weight (maximum) [mg] |
0.4 |
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.5 |
Weight (mean) [mg] |
0.7 |
Weight (maximum) [mg] |
0.8 |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.5 |
Weight (mean) [mg] |
0.7 |
Weight (maximum) [mg] |
0.8 |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
3.0 |
Length (mean) [mm] |
3.8 |
Length (maximum) [mm] |
4.2 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.6 |
Height (minimum) [mm] |
|
Height (mean) [mm] |
0.5 |
Height (maximum) [mm] |
|
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
8.2 |
Length (mean) [mm] |
10.0 |
Length (maximum) [mm] |
12.1 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.8 |
Width (maximum) [mm] |
0.9 |
Height (minimum) [mm] |
0.3 |
Height (mean) [mm] |
0.6 |
Height (maximum) [mm] |
0.7 |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
8.2 |
Length (mean) [mm] |
10.0 |
Length (maximum) [mm] |
12.1 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.8 |
Width (maximum) [mm] |
0.9 |
Height (minimum) [mm] |
0.3 |
Height (mean) [mm] |
0.6 |
Height (maximum) [mm] |
0.7 |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
True |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
5.0 |
Length (mean) [mm] |
7.5 |
Length (maximum) [mm] |
9.0 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.8 |
Width (maximum) [mm] |
0.9 |
Height (minimum) [mm] |
0.3 |
Height (mean) [mm] |
0.6 |
Height (maximum) [mm] |
0.7 |
special references:
|
Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
|
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
Kaltofen, H., Schrader, A. 1991: Gräser. Biologie - Bestimmung - Wirtschaftliche Bedeutung. DVL, Berlin (Gattung)
|
Strykstra, R.J. 1997: Seed dispersal in a Dutch grassland reserve. . Univesity of Ulster, Coleraine. (Gattung)
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|
Grassland utilization indicator values » |
Occurrence |
GE (little used grasslands) |
Guild |
G (grass) |
Mowing tolerance |
3 (sensitive to mowing) |
Grazing tolerance |
5 (moderately tolerant to grazing) |
Trampling tolerance |
5 (moderately tolerant to trampling) |
Foraging value |
3 (little forage value) |
Foraging value for deer |
8 (between 7 and 9 (high to best forage value)) |
|
Habitat » |
Habitat |
T3.3.1 (null) Alliance: Salicion herbaceae
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T6.2.1.5 (null) Alliance: Nardetalia strictae
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T6.2.1.5.2 (null) Alliance: Juncion squarrosi
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
05.4 (Commercially used grasslands) Class: Molinio-Arrhenatheretea
|
English circumscription |
05.6 (Acidic mat-grass communities) Class: Nardetea strictae
|
English circumscription |
08.3 (Snowbed communities) Class: Salicetea herbaceae
|
English circumscription |
08.4 (Heather and gorse heathlands) Class: Calluno-Ulicetea
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