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)
Panicum dichotomiflorum Michx. Poaceae » Gabelästige Rispenhirse
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)
Panicum dichotomiflorum Michx. accepted
 
group of traits: Status »
Floristic status »
Floristic status N (neophyte)
Evolutionary origin »
Evolutionary origin u (unknown)
Region of origin »
Region of origin 0 (not specified)
Endemism »
Endemism 0 (not specified)
Reference unbekannt
Mode of introduction »
Mode of introduction BS (seed contaminant)
Time and region of first naturalization »
Region of naturalization D (Germany)
Time of first naturalization 1889
Degree of naturalization »
Maximum degree of naturalization EH (ephemerophyte)
 
group of traits: Chromosome number »
Chromosome number »
Basic chromosome number 9
Chromosome number 2n 54
Chromosome number (Germany) False
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
 
group of traits: DNA content »
DNA content »
DNA content (pg/2C) 3.4
Chromosome number 54
Quality chromosome number known and occurring in Germany [b]
Authorised in BENNET & LEITCH 2001 True
Reference Bennett, M.D., Leitch, I.J., Hanson, L. 1998: DNA amounts in two samples of angiosperm weeds. Annals of Botany 82 Supplement A:121-134
 
group of traits: Phylogeny »
Phylogeny code »
Phylogeny code BBBBBABBBBAAABBBBABBBAB
 
group of traits: Morphology »
Life form »
Life form T (Therophyte)
Qualifier always [1]
Life span »
Life span a (annual)
Qualifier always [1]
Rosettes »
Rosettes h (Hemirosette plant)
Qualifier always [1]
 
group of traits: Leaf traits »
Leaf persistence »
Leaf persistence s (summer green)
Leaf anatomy »
Leaf anatomy m (mesomorphic)
Leaf form »
Leaf form gras (grass-like)
 
group of traits: Flowering phenology »
Flowering phenology »
Begin of flowering (months) 7
End of flowering (months) 9
Duration of flowering (months) 3
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 s (by seed/by spore)
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 SC (self-compatibel)
Reference East, E.M. 1940: The distribution of self-sterility in the flowering plants. Proceedings of the American Philosophical Society 82:449-518
Systematic reference genus [G]
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)
 
group of traits: Seed traits »
Fruit type »
Fruit type Nu (nut)
Diaspore type »
Diaspore type FZb (fruit with appendage)
Diaspore type TFSt (part of infructescence)
Germinule type »
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  
Development of additional appendages always [1]
Sizes »
Measured object Diaspore
Type of germinule or diaspore TFSt (part of infructescence)
Constraint False
Heteromorphic type n (not heteromorphic)
Length (minimum) [mm] 2.0
Length (mean) [mm] 2.5
Length (maximum) [mm] 3.2
Width (minimum) [mm]  
Width (mean) [mm]  
Width (maximum) [mm]  
Height (minimum) [mm]  
Height (mean) [mm]  
Height (maximum) [mm]  
special references:
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
Endtmann, K.J. 1976: Zur Determination und Verbreitung der "Hirse"-Arten (Panicum s.l.) im Norden der DDR. Gleditschia 4:75-81 (Gattung)
Häfliger, T.J., Scholz, H. 1981: Grass weeds. Documenta CIBA-GEIGY Ltd., Basel (Gattung)
 
group of traits: Ecological strategy »
Strategy type »
Strategy type cr (competitors/ruderals)
 
group of traits: Range »
Floristic zone and altitudinal level »
Floristic zone m (meridional)
Altitudinal level  
Status natural range
Floristic zone e (submeridional)
Altitudinal level  
Status natural range
Floristic zone p (southern temperate)
Altitudinal level  
Status natural range
Floristic zone n (northern temperate)
Altitudinal level  
Status natural range
Number of inhabited floristic zones »
Number of inhabited floristic zones 3
Oceanity »
Oceanity os (weak oceanic)
Amplitude of Oceanity: 4
Minimum level of oceantity: continental climate
Maximum level of oceantity: extreme oceanic climate
Status natural range
Floristic region »
Floristic region om (Eastern America)
Continent of floristic region: m (Amerika)
Status natural range
 
group of traits: Hemeroby »
Hemeroby »
Hemeroby c (a-euhemerobic)
Hemeroby p (polyhemerobic)
Number of hemerobic levels »
Number of hemerobic levels 2
 
group of traits: Urbanity »
Urbanity »
Urbanity 4 (moderately urbanophilic)
 
group of traits: Habitats »
Habitat »
Habitat T9.1.1.2 (null)
Alliance: Digitario-Setarion
Occurrence questionable False
Occurence restricted False
Annotation  
 
group of traits: Sociology »
Class »
English circumscription 06.4 (Annual ruderal communities)
Class: Sisymbrietea officinalis
English circumscription 06.6 (Chickweed and other field weed communities)
Class: Stellarietea mediae
 
 
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.