species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Crepis praemorsa (L.) Walther |
Asteraceae » |
Abgebissener Pippau
|
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) |
Crepis praemorsa (L.) Walther |
accepted |
Hieracium praemorsum L. |
Basionym |
|
Chromosome number » |
Basic chromosome number |
4 |
Chromosome number 2n |
8 |
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 |
|
DNA content » |
DNA content (pg/2C) |
10.5 |
Chromosome number |
8 |
Quality |
chromosome number missing in original source; the most common number was added [f] |
Authorised in BENNET & LEITCH 2001 |
True |
Reference |
Bennett, M.D., Leitch, I.J. 1997: Nuclear DNA amounts in angiosperms - 583 new estimates. Annals of Botany 80:169-196 |
|
Flowering phenology » |
Begin of flowering (months) |
5 |
End of flowering (months) |
6 |
Duration of flowering (months) |
2 |
Number of flowering phases |
0 |
Symphenological Groups » |
Phenological group |
6 (Cornus sanguinea-Melica uniflora-Phase) Phenological season: start of early summer |
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 |
Anmerkung 2002: Sexuelle Samenproduktion, da keine Apomikten in Gattung bekannt |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
a2 (protandrous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Pollen vector » |
Pollen vector |
se (selfing) Pollen vector group: se (Selbstbestäubung) |
Abundance |
unknown [0] |
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 |
genus [G] |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
unknown [0] |
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 |
genus [G] |
Flower color » |
Flower colour |
light yellow |
Basic flower colour |
g (yellow) |
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 |
B` (flower associations with totally hidden nectar) Typical pollinators: bees, bumble bees, wasps, bombylides, syrphids |
Flower type after KUGLER » |
Flower type after KUGLER |
7.2b (flower heads, Asteraceae, only ray flowers) |
|
Fruit type » |
Fruit type |
Nu (nut) |
Diaspore type » |
Diaspore type |
F (fruit) |
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 |
|
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
4.0 |
Length (mean) [mm] |
4.2 |
Length (maximum) [mm] |
5.0 |
Width (minimum) [mm] |
0.6 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.7 |
Height (minimum) [mm] |
|
Height (mean) [mm] |
|
Height (maximum) [mm] |
|
Measured object |
Diaspore |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
4.0 |
Length (mean) [mm] |
4.2 |
Length (maximum) [mm] |
5.0 |
Width (minimum) [mm] |
0.6 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.7 |
Height (minimum) [mm] |
|
Height (mean) [mm] |
|
Height (maximum) [mm] |
|
special references:
|
Grime, J.P., Hodgson, J.G., Hunt, R. 1988: Comparative Plant Ecology. Unwin Hyman, London (Gattung)
|
Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
|
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
|
Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
|
Vogler, P. 1901: Ueber die Verbreitungsmittel der schweizerischen Alpenpflanzen. Flora 89 (Ergänzungsband zum Jg.1901):1-137 (Gattung)
|
Heinisch, O. 1955: Samenatlas der wichtigsten Futterpflanzen und ihrer Unkräuter. Deutsche Akad. Landwirtsch.-Wiss., Berlin (Gattung)
|
Babcook, E.B. 1947: The genus Crepis. University of California Press, Berkeley, Los Angeles (Gattung)
|
|
Grassland utilization indicator values » |
Occurrence |
GE (little used grasslands) |
Guild |
K (forb) |
Mowing tolerance |
3 (sensitive to mowing) |
Grazing tolerance |
4 (between 3 and 5 (sensitive to moderately tolerant to grazing)) |
Trampling tolerance |
5 (moderately tolerant to trampling) |
Foraging value |
5 (intermediate forage value) |
Foraging value for deer |
|
|
Habitat » |
Habitat |
T1.1.2.4 (null) Alliance: Quercetalia pubescentis
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T6.2.2.3 (null) Alliance: Festucetalia valesiaca
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T8.1.1 (null) Alliance: Geranion sanguini
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
05.3 (Fescue-brome communities of dry and semi-dry grasslands) Class: Festuco-Brometea
|
English circumscription |
05.4 (Commercially used grasslands) Class: Molinio-Arrhenatheretea
|
English circumscription |
07.1 (Thermophilous and mesophilous forest grassland ecotones) Class: Trifolio-Geranietea sanguinei
|
English circumscription |
10.4 (Thermophilous dry oak forests) Class: Quercetea pubescentis-petraeae
|
|
|
|
Display of complete information for the selected species. Only traits available for the selected species are displayed.
|