search and information system
on vascular plants in Germany
a cooperation of
&
 

Overview of all traits of a species

species information (Systematics, BiolFlor-Names, Status)
BiolFlor-Name family german name(s)
Helleborus niger L. Ranunculaceae » Christrose
Schwarze Nieswurz
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)
Helleborus niger L. accepted
>Helleborus niger subsp. niger accepted
 
group of traits: Status »
Floristic status »
Floristic status I (indigenous)
Evolutionary origin »
Evolutionary origin n (naturally)
Region of origin »
Region of origin 0 (not specified)
Endemism »
Endemism 0 (not specified)
Reference unbekannt
 
group of traits: Chromosome number »
Chromosome number »
Basic chromosome number 8
Chromosome number 2n 32
Chromosome number (Germany) True
Most common chromosome race False
Ploidy level 4 (tetraploid)
Ploidy type P (polyploid with haploid basic number)
Reference Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart
 
group of traits: DNA content »
DNA content »
DNA content (pg/2C) 22.8
Chromosome number 16
Quality chromosome number known, but does not occur in Germany [n]
Authorised in BENNET & LEITCH 2001 True
Reference Bennett, M.D., Smith, J.S. 1976: Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society London B 274:227-274
DNA content (pg/2C) 28.3
Chromosome number 32
Quality chromosome number known and occurring in Germany [b]
Authorised in BENNET & LEITCH 2001 False
Reference Zonneveld, B.J.M. 2001: Nuclear DNA contents of all species of Helleborus (Ranunculaceae) discriminate between species and sectional divisions. Plant Systematics and Evolution 229:125-130
 
group of traits: Phylogeny »
Phylogeny code »
Phylogeny code BBBBBBABBBBBBABBB
 
group of traits: Morphology »
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 rh (Rhizome)
Qualifier always [1]
Shoot metamorphoses »
Shoot metamorphoses rh (Rhizome)
Qualifier always [1]
Rosettes »
Rosettes g (Rosette plant)
Qualifier always [1]
special references:
Werner, K., Ebel, F. 1994: Zur Lebensgeschichte der Gattung Helleborus L. (Ranunculaceae). Flora 189:97-130
 
group of traits: Leaf traits »
Leaf persistence »
Leaf persistence i (persistent green)
Leaf anatomy »
Leaf anatomy s (scleromorphic)
Leaf form »
Leaf form fing (digitate)
 
group of traits: Flowering phenology »
Flowering phenology »
Begin of flowering (months) 12
End of flowering (months) 5
Duration of flowering (months) 6
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
 
group of traits: Floral and reproductive biology »
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 Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
Dicliny »
Dicliny so (hermaphroditic)
Abundance always [1]
Reference Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
Dichogamy »
Dichogamy g2 (protogynous)
Reference Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
Pollen vector »
Pollen vector se (selfing)
Pollen vector group: se (Selbstbestäubung)
Abundance the rule [2]
Reference Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
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 or reddish
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 0 (unknown)
UV reflection in the centre of the flower 0 (unknown)
UV reflection pattern 0 (no UV reflectance patterns)
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 1.2bf (disk flowers with nectar ± hidden petaloid nectaries)
 
group of traits: Seed traits »
Fruit type »
Fruit type SaBa (aggregate follicles)
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  
Weights »
Measured object Germinule
Type of germinule or diaspore S (seed)
Constraint True
Heteromorphic type n (not heteromorphic)
Weight (minimum) [mg]  
Weight (mean) [mg] 7.8
Weight (maximum) [mg]  
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] 4.2
Length (maximum) [mm] 5.0
Width (minimum) [mm] 1.8
Width (mean) [mm] 2.2
Width (maximum) [mm] 2.5
Height (minimum) [mm] 1.0
Height (mean) [mm] 1.3
Height (maximum) [mm] 1.6
special references:
Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
Bresinsky, A. 1963: Bau, Entwicklungsgeschichte und Inhaltsstoffe der Elaiosomen. Studien zur myrmekochoren Verbreitung von Samen und Früchten. Bibliotheca Botanica Vol. 126. (Gattung)
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
Müller, P. 1955: Verbreitungsbiologie (Diasporologie) der Blütenpflanzen. Veröffentlichungen des Geobotanischen Institutes Rübel Zürich . Verlag Hans Huber, Bern. (Gattung)
 
group of traits: Ecological strategy »
Strategy type »
Strategy type cs (competitors/stress-tolerators)
 
group of traits: Range »
Floristic zone and altitudinal level »
Floristic zone e (submeridional)
Altitudinal level m (montane)
Status natural range
Floristic zone p (southern temperate)
Altitudinal level m (montane)
Status natural range
Number of inhabited floristic zones »
Number of inhabited floristic zones 2
Oceanity »
Oceanity so (suboceanic)
Amplitude of Oceanity: 3
Minimum level of oceantity: continental climate
Maximum level of oceantity: extreme oceanic climate
Status natural range
Floristic region »
Floristic region e (Europe)
Continent of floristic region: e (Europa)
Status natural range
 
group of traits: Hemeroby »
Hemeroby »
Hemeroby o (oligohemerobic)
Hemeroby m (mesohemerobic)
Number of hemerobic levels »
Number of hemerobic levels 2
 
group of traits: Urbanity »
Urbanity »
Urbanity 1 (urbanophobic)
 
group of traits: Habitats »
Habitat »
Habitat T1.1.1.6 (null)
Alliance: Aceri-Fagenion
Occurrence questionable False
Occurence restricted False
Annotation  
Habitat T1.4.1.3 (null)
Alliance: Erico-Pinion
Occurrence questionable False
Occurence restricted False
Annotation  
 
group of traits: Sociology »
Class »
English circumscription 10.2 (Mesophilous, summer-green deciduous forests)
Class: Carpino-Fagetea
English circumscription 10.4 (Thermophilous dry oak forests)
Class: Quercetea pubescentis-petraeae
English circumscription 10.7 (Snow-heather pine-forests)
Class: Erico-Pinetea
 
 
groups of traits for this species
Status »
Chromosome number »
DNA content »
Phylogeny »
Morphology »
Leaf traits »
Flowering phenology »
Floral and reproductive biology »
Seed traits »
Ecological strategy »
Range »
Hemeroby »
Urbanity »
Habitats »
Sociology »


Display of complete information for the selected species. Only traits available for the selected species are displayed.