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Overview of all traits of a species

species information (Systematics, BiolFlor-Names, Status)
BiolFlor-Name family german name(s)
Urtica urens L. Urticaceae » Kleine Brennnessel
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)
Urtica urens L. accepted
 
group of traits: Status »
Floristic status »
Floristic status A (archaeophyte)
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 VN (escaped crop and timber plant)
Degree of naturalization »
Maximum degree of naturalization AG (agriophyte)
 
group of traits: Chromosome number »
Chromosome number »
Basic chromosome number 12
Chromosome number 2n 24
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 13
Chromosome number 2n 26
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 13
Chromosome number 2n 52
Chromosome number (Germany) True
Most common chromosome race False
Ploidy level  
Ploidy type R (palaeopolyploid; polyploid basic number)
Reference Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart
 
group of traits: DNA content »
DNA content »
DNA content (pg/2C) 0.6
Chromosome number 24
Quality chromosome number known and occurring in Germany [b]
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
 
group of traits: Phylogeny »
Phylogeny code »
Phylogeny code BBBBBBBBBABBBABBABBBABBA
 
group of traits: Morphology »
Life form »
Life form T (Therophyte)
Qualifier always [1]
Life span »
Life span a (annual)
Qualifier always [1]
Rosettes »
Rosettes r (Erosulate plant)
Qualifier always [1]
special references:
Greig-Smith, P. 1948: Biological Flora of the British Isles: Urtica urens L.. Journal of Ecology 36:351-355
 
group of traits: Leaf traits »
Leaf persistence »
Leaf persistence s (summer green)
Leaf anatomy »
Leaf anatomy m (mesomorphic)
Leaf anatomy y (hygromorphic)
Leaf form »
Leaf form norm (simple)
 
group of traits: Flowering phenology »
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 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
 
group of traits: Floral and reproductive biology »
Type of reproduction »
Type of reproduction s (by seed/by spore)
Reference Greig-Smith, P. 1948: Biological Flora of the British Isles: Urtica urens L.. Journal of Ecology 36:351-355
Type of seed production »
Type of seed production s (amphimictic, sexual)
Reference Greig-Smith, P. 1948: Biological Flora of the British Isles: Urtica urens L.. Journal of Ecology 36:351-355
Dicliny »
Dicliny mo (monoecious)
Abundance always [1]
Reference Holm, L., Doll, J., Holm, E., Pancho, J., Herberger, J. 1997: World Weeds. John Wiley & Sons, New York
Dichogamy »
Dichogamy g2 (protogynous)
Reference Greig-Smith, P. 1948: Biological Flora of the British Isles: Urtica urens L.. Journal of Ecology 36:351-355
Dichogamy g1 (slightly protogynous)
Reference Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
Pollen vector »
Pollen vector wi (wind)
Pollen vector group: ab (abiotische Bestäubung)
Abundance always [1]
Reference Greig-Smith, P. 1948: Biological Flora of the British Isles: Urtica urens L.. Journal of Ecology 36:351-355
Systematic reference species [S]
Floral rewards »
Floral rewards 1 (nectar)
Reference Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig
Amount of floral reward 1 (none)
Flower color »
Flower colour green
Basic flower colour gr (green)
Reference Schubert, R., Jäger, E.J., Werner, K. (Hrsg.) 1987: Exkursionsflora Band 3. Atlas der Gefäßpflanzen. 6. Aufl., Volk und Wissen, Berlin
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)
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  
Development of additional appendages always [1]
Weights »
Measured object Germinule
Type of germinule or diaspore F (fruit)
Constraint False
Heteromorphic type n (not heteromorphic)
Weight (minimum) [mg] 0.4
Weight (mean) [mg] 0.5
Weight (maximum) [mg] 0.6
Sizes »
Measured object Germinule
Type of germinule or diaspore F (fruit)
Constraint False
Heteromorphic type n (not heteromorphic)
Length (minimum) [mm] 1.7
Length (mean) [mm] 1.8
Length (maximum) [mm] 2.0
Width (minimum) [mm] 1.1
Width (mean) [mm] 1.2
Width (maximum) [mm] 1.4
Height (minimum) [mm] 0.3
Height (mean) [mm] 0.5
Height (maximum) [mm] 0.7
Measured object Germinule
Type of germinule or diaspore FZb (fruit with appendage)
Constraint False
Heteromorphic type n (not heteromorphic)
Length (minimum) [mm]  
Length (mean) [mm] 2.1
Length (maximum) [mm]  
Width (minimum) [mm]  
Width (mean) [mm] 1.5
Width (maximum) [mm]  
Height (minimum) [mm]  
Height (mean) [mm]  
Height (maximum) [mm]  
Measured object Diaspore
Type of germinule or diaspore FZb (fruit with appendage)
Constraint False
Heteromorphic type n (not heteromorphic)
Length (minimum) [mm]  
Length (mean) [mm] 2.1
Length (maximum) [mm]  
Width (minimum) [mm]  
Width (mean) [mm] 1.5
Width (maximum) [mm]  
Height (minimum) [mm]  
Height (mean) [mm]  
Height (maximum) [mm]  
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)
Briemle, G. 1996: Farbatlas Kräuter und Gräser. Ulmer, Stuttgart (Gattung)
Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
Berggren, G. 1981: Atlas of seeds and small fruits of Northwest-European plant species with morphological descriptions. - Part 3 (Salicaceae-Cruciferaceae). Swedish Museum of Natural History, Stockholm (Gattung)
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
Cremer, J., Partzsch, M., Zimmermann, M., Schwär, C., Goltz, H. 1991: Acker- und Gartenwildkräuter: ein Bestimmungsbuch. . Deutscher Landwirtschaftsverlag, Berlin. (Gattung)
Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
 
group of traits: Ecological strategy »
Strategy type »
Strategy type r (ruderals)
 
group of traits: Indicator values for grassland species »
Grassland utilization indicator values »
Occurrence A (arable fields and gardens)
Guild K (forb)
Mowing tolerance 4 (between 3 and 5 (sensitive to moderately tolerant to mowing))
Grazing tolerance 8 (between 7 and 9 (well tolerant to very tolerant 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  
 
group of traits: Range »
Floristic zone and altitudinal level »
Floristic zone u (austral and/or antarctic)
Altitudinal level  
Status natural range
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
Floristic zone b (boreal)
Altitudinal level  
Status natural range
Number of inhabited floristic zones »
Number of inhabited floristic zones 5
Floristic region »
Floristic region c (circumpolar)
Continent of floristic region: c (circumpolar)
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 T8.3.1.1 (null)
Alliance: Urticio urentis-Malvetum neglecti
Occurrence questionable False
Occurence restricted False
Annotation  
Habitat T9.1.1.3 (null)
Alliance: Polygono-Chenopodion polyspermi
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 »
Indicator values for grassland species »
Range »
Hemeroby »
Urbanity »
Habitats »
Sociology »


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