| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Zostera marina L. |
Zosteraceae » |
Gewöhnliches Seegras
|
| 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) |
| Zostera marina L. |
accepted |
| Zostera marina var. marina |
Synonym |
| Zostera marina var. angustifolia Hornem. |
Synonym |
| Zostera angustifolia (Hornem.) Rchb. |
Synonym |
| Zostera hornemanniana Tutin |
Synonym |
| Zostera marina subsp. angustifolia (Hornem.) Lemke |
Synonym |
| Zostera marina subsp. marina |
Synonym |
|
| Chromosome number » |
| Basic chromosome number |
6 |
| Chromosome number 2n |
12 |
| 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 |
|
| Life form » |
| Life form |
A (Hydrophyte) |
| 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 |
rh (Rhizome) |
| Qualifier |
always [1] |
| Shoot metamorphoses » |
| Shoot metamorphoses |
rh (Rhizome) |
| Qualifier |
always [1] |
| Rosettes » |
| Rosettes |
h (Hemirosette plant) |
| Qualifier |
always [1] |
| special references:
|
| Tutin, T.G. 1942: Biological Flora of the British Isles: Zostera L. ; Zostera marina L.. Journal of Ecology 30:217-224
|
| Lent, F., Verschuure, J.F. 1995: Comparative study on populations of Zostera marina L. (eelgrass): experimental germination and growth. J. Exper. Marine Biol. and Ecol. 185:77-81
|
| Bell, A.D., Tomlinson, P.B. 1980: Adaptive architecture in rhizomatous plants. Botanical Journal of the Linnean Society 80:125-160
|
| Kautsky, L. 1988: Life cycles of soft bottom macrophytes. Oikos 53:126-135
|
| Setchell, W.A. 1929: Morphological and phenological notes on Zostera marina L.. Univ. Calif. Publ. Bot. 14:389-452
|
| Jacobs, R.P.W.M. 1982: Reproductive strategies of two seagrass species (Zostera marina and Z. noltii) along west European coasts. In: Symoens, S., Hooper, S., Compére, S. (Hrsg.) Studies on aquatic vascular plants, S. 150-155, Royal Bot. Soc. Belgium
|
|
| Flowering phenology » |
| Begin of flowering (months) |
6 |
| End of flowering (months) |
9 |
| 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 |
vvs (mostly vegetatively, rarely by seed) |
| Reference |
Markgraf, F. 1981: Ordnung Heliobae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, Vol I/2, S. 150-260, Paul Parey, Berlin |
| Type of seed production » |
| Type of seed production |
s (amphimictic, sexual) |
| Reference |
Tutin, T.G. 1942: Biological Flora of the British Isles: Zostera L. ; Zostera marina L.. Journal of Ecology 30:217-224 |
| Dicliny » |
| Dicliny |
so (hermaphroditic) |
| Abundance |
always [1] |
| Reference |
Markgraf, F. 1981: Ordnung Heliobae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, Vol I/2, S. 150-260, Paul Parey, Berlin |
| Dicliny |
mo (monoecious) |
| Abundance |
always [1] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dichogamy » |
| Dichogamy |
g2 (protogynous) |
| Reference |
Markgraf, F. 1981: Ordnung Heliobae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, Vol I/2, S. 150-260, Paul Parey, Berlin |
| Dichogamy |
a2 (protandrous) |
| Reference |
Reusch, T.B.H. 2000: Pollination in the marine realm: microsatellites reveal high outcrossing rates and multiple paternity in eelgrass Zostera marina. Heredity 85:459-464 |
| Self-sterility and self-incompatibility » |
| Self-sterility and self-incompatibility |
SC (self-compatibel) |
| Reference |
Ruckelshaus, M.H. 1995: Estimation of outcrossing rates and of inbreeding depression in a population of the marine angiosperm Zostera marina. Marine Biology 123:583-593 |
| Systematic reference |
species [S] |
| Self-sterility and self-incompatibility |
C+ (± self-compatibel) |
| Reference |
Reusch, T.B.H. 2001: Fitness-consequences of geitonogamous selfing in a clonal marine angiosperm (Zostera marina). Journal of Evolutionary Biology 14:129-138 |
| Systematic reference |
species [S] |
| SI mechanism » |
| SI mechanism |
ID (inbreeding depression) |
| Reference |
Reusch, T.B.H. 2001: Fitness-consequences of geitonogamous selfing in a clonal marine angiosperm (Zostera marina). Journal of Evolutionary Biology 14:129-138 |
| Pollen vector » |
| Pollen vector |
wa (water)
Pollen vector group: ab (abiotische Bestäubung) |
| Abundance |
always [1] |
| Reference |
Markgraf, F. 1981: Ordnung Heliobae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, Vol I/2, S. 150-260, Paul Parey, Berlin |
| Systematic reference |
species [S] |
| Breeding system » |
| Breeding system |
XF (facultative allogamous) |
| Reference |
Reusch, T.B.H. 2000: Pollination in the marine realm: microsatellites reveal high outcrossing rates and multiple paternity in eelgrass Zostera marina. Heredity 85:459-464 |
| Floral rewards » |
| Floral rewards |
1 (nectar) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Amount of floral reward |
1 (none) |
| Flower class after MUELLER » |
| Flower class after MUELLER |
Hy (water flowers: pollination on or under water)
Typical pollinators: - |
| Flower type after KUGLER » |
| Flower type after KUGLER |
0 (not applicable) |
|
| Fruit type » |
| Fruit type |
Hü (legume) |
| Diaspore type » |
| Diaspore type |
F (fruit) |
| Diaspore type |
S (seed) |
| Germinule type » |
| 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 |
Diaspore |
| Type of germinule or diaspore |
F (fruit) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
|
| Length (mean) [mm] |
6.0 |
| Length (maximum) [mm] |
|
| Width (minimum) [mm] |
|
| Width (mean) [mm] |
3.0 |
| Width (maximum) [mm] |
|
| Height (minimum) [mm] |
|
| Height (mean) [mm] |
|
| Height (maximum) [mm] |
|
| Measured object |
Germinule |
| Type of germinule or diaspore |
S (seed) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
|
| Length (mean) [mm] |
4.0 |
| Length (maximum) [mm] |
|
| Width (minimum) [mm] |
|
| Width (mean) [mm] |
2.0 |
| Width (maximum) [mm] |
|
| Height (minimum) [mm] |
|
| Height (mean) [mm] |
|
| Height (maximum) [mm] |
|
| Measured object |
Diaspore |
| Type of germinule or diaspore |
S (seed) |
| Constraint |
False |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
|
| Length (mean) [mm] |
4.0 |
| Length (maximum) [mm] |
|
| Width (minimum) [mm] |
|
| Width (mean) [mm] |
2.0 |
| Width (maximum) [mm] |
|
| Height (minimum) [mm] |
|
| Height (mean) [mm] |
|
| Height (maximum) [mm] |
|
| special references:
|
| Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
|
| de Cook, A.W.A.M. 1980: Flowering, pollination and fruiting in Zostera marina L.. Aquatic Botany 9:201-220 (Gattung)
|
|
| Habitat » |
| Habitat |
H1 (Seashore)
Alliance: ???
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
|
| Class » |
| English circumscription |
03.1 (Eelgras Communities)
Class: Zosteretea marinae
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