| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Agrostis gigantea Roth |
Poaceae » |
Riesen-Straußgras
|
| 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) |
| Agrostis gigantea Roth |
accepted |
| Agrostis alba L., non L. 1753 (nom. dub.) |
Synonym |
| Agrostis vinealis var. gigantea (Roth) Pers. |
Synonym |
| Agrostis alba , auct., non L. 1753 |
Synonym |
| Agrostis alba var. gigantea (Roth) G. Mey. |
Synonym |
| <Agrostis stolonifera agg. |
accepted |
| <Agrostis stolonifera - Gruppe |
Synonym |
|
| Chromosome number » |
| Basic chromosome number |
7 |
| Chromosome number 2n |
42 |
| Chromosome number (Germany) |
True |
| Most common chromosome race |
False |
| Ploidy level |
6 (hexaploid) |
| Ploidy type |
P (polyploid with haploid basic number) |
| Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
| Basic chromosome number |
7 |
| Chromosome number 2n |
56 |
| Chromosome number (Germany) |
True |
| Most common chromosome race |
False |
| Ploidy level |
|
| Ploidy type |
|
| Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
| Flowering phenology » |
| Begin of flowering (months) |
6 |
| End of flowering (months) |
7 |
| 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 |
sv (by seed and vegetatively) |
| 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 |
Connor, H.E. 1979: Breeding system in the grasses: a survey. New Zealand Journal of Botany 17:547-574 |
| Self-sterility and self-incompatibility » |
| Self-sterility and self-incompatibility |
I+ (± self-incompatibel) |
| Reference |
Davies, W.E. 1953: The breeding affinities of some British species of Agrostis. British Agricultural Bulletin 5:313-315 |
| Systematic reference |
species [S] |
| Self-sterility and self-incompatibility |
SI (self-incompatibel) |
| Reference |
Conert, H.J. 1979: Poaceae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, 1(3), S. 1-843, Parey, Berlin |
| Systematic reference |
genus [G] |
| SI mechanism » |
| SI mechanism |
GSI (gametophytic self-incompatibility) |
| Reference |
de Nettancourt, D. 1977: Incompatibility in angiosperms. Springer, Berlin |
| Pollen vector » |
| Pollen vector |
wi (wind)
Pollen vector group: ab (abiotische Bestäubung) |
| Abundance |
always [1] |
| Reference |
Anmerkung 2002: pers. obs. |
| Systematic reference |
genus [G] |
| Breeding system » |
| Breeding system |
X (allogamous) |
| Reference |
Fryxell, P.M. 1957: Modes of reproduction of higher plants. The Botanical Review 23:135-233 |
| 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 |
sometimes [2] |
| 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] |
0.0 |
| Weight (mean) [mg] |
0.1 |
| Weight (maximum) [mg] |
0.1 |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
FZb (fruit with appendage) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Weight (minimum) [mg] |
0.0 |
| Weight (mean) [mg] |
0.1 |
| Weight (maximum) [mg] |
0.1 |
| Sizes » |
| Measured object |
Germinule |
| Type of germinule or diaspore |
F (fruit) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
|
| Length (mean) [mm] |
1.0 |
| Length (maximum) [mm] |
|
| Width (minimum) [mm] |
0.2 |
| Width (mean) [mm] |
0.2 |
| Width (maximum) [mm] |
0.3 |
| Height (minimum) [mm] |
0.2 |
| Height (mean) [mm] |
0.2 |
| Height (maximum) [mm] |
0.3 |
| Measured object |
Germinule |
| Type of germinule or diaspore |
FZb (fruit with appendage) |
| Constraint |
True |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
1.5 |
| Length (mean) [mm] |
2.0 |
| Length (maximum) [mm] |
2.8 |
| Width (minimum) [mm] |
0.3 |
| Width (mean) [mm] |
0.5 |
| Width (maximum) [mm] |
0.6 |
| Height (minimum) [mm] |
0.3 |
| Height (mean) [mm] |
0.4 |
| Height (maximum) [mm] |
0.4 |
| Measured object |
Diaspore |
| Type of germinule or diaspore |
FZb (fruit with appendage) |
| Constraint |
True |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
1.5 |
| Length (mean) [mm] |
2.0 |
| Length (maximum) [mm] |
2.8 |
| Width (minimum) [mm] |
0.3 |
| Width (mean) [mm] |
0.5 |
| Width (maximum) [mm] |
0.6 |
| Height (minimum) [mm] |
0.3 |
| Height (mean) [mm] |
0.4 |
| Height (maximum) [mm] |
0.4 |
| 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)
|
| Thompson, K., Band, S.R., Hodgson, J.G. 1993: Seed size and shape predict persistence in soil. Functional Ecology 7:236-241 (Gattung)
|
| Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
|
| Bakker, J.P., Bakker, E.S., Rosén, E., Verweij, G.L. 1997: The soil seed bank of undisturbed and disturbed dry limestone grassland on Öland (Sweden). Z. Ökologie Nat. sch. 6:9-18 (Gattung)
|
| Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
| Häfliger, T.J., Scholz, H. 1981: Grass weeds. Documenta CIBA-GEIGY Ltd., Basel (Gattung)
|
| Kaltofen, H., Schrader, A. 1991: Gräser. Biologie - Bestimmung - Wirtschaftliche Bedeutung. DVL, Berlin (Gattung)
|
| Stockey, A., Hunt, R. 1994: Predicting secondary succession in wetland mesocosms on the basis of autecological information on seeds and seedlings. Journal of Applied Ecology 31:543-559 (Gattung)
|
| Heinisch, O. 1955: Samenatlas der wichtigsten Futterpflanzen und ihrer Unkräuter. Deutsche Akad. Landwirtsch.-Wiss., Berlin (Gattung)
|
|
| Grassland utilization indicator values » |
| Occurrence |
GW (commercial grasslands) |
| Guild |
G (grass) |
| Mowing tolerance |
8 (between 7 and 9 (well tolerant to very tolerant to mowing)) |
| Grazing tolerance |
7 (well tolerant to grazing) |
| Trampling tolerance |
7 (tolerant to trampling) |
| Foraging value |
8 (between 7 and 9 (high to best forage value)) |
| Foraging value for deer |
8 (between 7 and 9 (high to best forage value)) |
|
| Habitat » |
| Habitat |
L3.1 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L3.9.5 (null)
Alliance: Phragmition australis
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
L4.1 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
Ufer |
| Habitat |
L4.2 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
Ufer |
| Habitat |
L4.3 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
Ufer |
| Habitat |
L4.4 (null)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
Ufer |
| Habitat |
T7.3.2 (null)
Alliance: Molinion coeruleae p.p.
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
T7.3.5 (null)
Alliance: Calthion p.p.
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
|
| Class » |
| English circumscription |
01.6 (Communities of reeds and tall sedges)
Class: Phragmito-Magnocaricetea
|
| 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
|
| English circumscription |
06.5 (Eusiberian ruderal mugwort and thistles communities, and couch-grasslands)
Class: Artemisietea vulgaris
|
| English circumscription |
06.6 (Chickweed and other field weed communities)
Class: Stellarietea mediae
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