| 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
|
| 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
|
| 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
|
|
| 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)
|
|
| 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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