| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Leucojum vernum L. |
Amaryllidaceae » |
Märzenbecher
Frühlings-Knotenblume
|
| 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) |
| Leucojum vernum L. |
accepted |
| Leucojum vernum subsp. carpaticum (Spring) O. Schwarz |
Synonym |
| Leucojum vernum subsp. vernum |
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 |
11 |
| Chromosome number 2n |
22 |
| 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 |
12 |
| Chromosome number 2n |
24 |
| Chromosome number (Germany) |
False |
| Most common chromosome race |
False |
| Ploidy level |
|
| Ploidy type |
R (palaeopolyploid; polyploid basic number) |
| Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
|
| Flowering phenology » |
| Begin of flowering (months) |
2 |
| End of flowering (months) |
4 |
| Duration of flowering (months) |
3 |
| Number of flowering phases |
0 |
| Symphenological Groups » |
| Phenological group |
1 (Corylus-Leucojum-Phase)
Phenological season: pre-spring |
| 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 |
Ascherson, P., Bernátsky, J., Bernner, W., Buxbaum, F., Graebner, P., Höck, F., Kirchner, O., Loew, E., Ludwig, F. 1934: Araceae, Lemnaceae, Juncaceae, Liliaceae, Dioscoreaceae, Amaryllidaceae, Iridaceae. von Kirchner, O., Loew, E., Schröter, C., and Wangerin, W. (Hrsg.), Lebensgeschichte der Blütenpflanzen Mitteleuropas Vol. 1, 3. |
| Dicliny » |
| Dicliny |
so (hermaphroditic) |
| Abundance |
always [1] |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Dichogamy » |
| Dichogamy |
h (homogamous) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Pollen vector » |
| Pollen vector |
in (insects)
Pollen vector group: zo (Tierbestäubung) |
| Abundance |
always [1] |
| Reference |
Ascherson, P., Bernátsky, J., Bernner, W., Buxbaum, F., Graebner, P., Höck, F., Kirchner, O., Loew, E., Ludwig, F. 1934: Araceae, Lemnaceae, Juncaceae, Liliaceae, Dioscoreaceae, Amaryllidaceae, Iridaceae. von Kirchner, O., Loew, E., Schröter, C., and Wangerin, W. (Hrsg.), Lebensgeschichte der Blütenpflanzen Mitteleuropas Vol. 1, 3. |
| Systematic reference |
species [S] |
| Floral rewards » |
| Floral rewards |
1 (nectar) |
| Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
| Amount of floral reward |
3 (present) |
| Flower color » |
| Flower colour |
white with yellow tipn |
| Basic flower colour |
w (white) |
| 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 |
2 (8-15 %) |
| UV reflection in the centre of the flower |
0 (unknown) |
| UV reflection pattern |
2 (unknown) |
| Flower class after MUELLER » |
| Flower class after MUELLER |
B (flowers with totally hidden nectar)
Typical pollinators: bees, bumblebees, wasps, bombylides, syrphids |
| Flower type after KUGLER » |
| Flower type after KUGLER |
3.1 (bell shaped flowers with powdery pollen) |
|
| Fruit type » |
| Fruit type |
Ka (capsule) |
| Diaspore type » |
| Diaspore type |
S (seed) |
| Germinule type » |
| Heteromorphic type |
n (not heteromorphic) |
| Germinule type |
S (seed) |
| Information available |
True |
| Development of nutritious appendages |
always [1] |
| Development of flat appendages |
|
| Development of elongated appendages |
|
| Development of additional appendages |
|
| Sizes » |
| Measured object |
Germinule |
| Type of germinule or diaspore |
S (seed) |
| Constraint |
True |
| Heteromorphic type |
n (not heteromorphic) |
| Length (minimum) [mm] |
3.5 |
| Length (mean) [mm] |
4.0 |
| Length (maximum) [mm] |
4.5 |
| Width (minimum) [mm] |
2.5 |
| Width (mean) [mm] |
2.8 |
| Width (maximum) [mm] |
3.0 |
| Height (minimum) [mm] |
2.5 |
| Height (mean) [mm] |
2.8 |
| Height (maximum) [mm] |
3.0 |
| special references:
|
| Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
| Nordhagen, R. 1932: Verbreitungsbiologische Studien über einige europäische Amaryllidaceen. . (Gattung)
|
| Salisbury, E.J. 1974: Seed size and mass in relation to environment. Proceedings of the Royal Society, London, Series B 186:83-88 (Gattung)
|
|
| 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 |
2 (no or little forage value) |
| Foraging value for deer |
|
|
| Habitat » |
| Habitat |
L5.2.3 (null)
Alliance: Alno-Ulmion p.p.
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
T1.1.1 (null)
Alliance: Fagion sylvaticae
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
| Habitat |
T1.1.2.1 (null)
Alliance: Tilio platyphylli-Acerion pseudoplatani
|
| Occurrence questionable |
False |
| Occurence restricted |
False |
| Annotation |
|
|
| Class » |
| English circumscription |
09.5 (Blackthorn and buckthorn shrubs)
Class: Rhamno-Prunetea spinosae
|
| English circumscription |
10.2 (Mesophilous, summer-green deciduous forests)
Class: Carpino-Fagetea
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