species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Chondrilla juncea L. |
Asteraceae » |
Großer Knorpellattich
|
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) |
Chondrilla juncea L. |
accepted |
Chondrilla crepoides L. |
Synonym |
|
Chromosome number » |
Basic chromosome number |
5 |
Chromosome number 2n |
14 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
3 (triploid) |
Ploidy type |
P (polyploid with haploid basic number) |
Reference |
Albers, F. 1998: Chromosomenzahlen der Farn- und Blütenpflanzen Deutschlands. In: Wisskirchen, R., Haeupler, H. (Hrsg.) Standardliste der Farn- und Blütenpflanzen Deutschlands, S. 562-616, Ulmer, Stuttgart |
Basic chromosome number |
5 |
Chromosome number 2n |
15 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
3 (triploid) |
Ploidy type |
P (polyploid with haploid basic number) |
Reference |
Albers, F. 1998: Chromosomenzahlen der Farn- und Blütenpflanzen Deutschlands. In: Wisskirchen, R., Haeupler, H. (Hrsg.) Standardliste der Farn- und Blütenpflanzen Deutschlands, S. 562-616, Ulmer, Stuttgart |
|
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 |
8 (Clematis vitalba-Galium sylvaticum-Phase) Phenological season: midsummer |
Reference |
Dierschke, H 1995: Phänologische und symphänologische Artengruppen von Blütenpflanzen in Mitteleuropa. Tuexenia 15: 523-560 |
|
Type of reproduction » |
Type of reproduction |
ssv (mostly by seed, rarely 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 |
o (obligat apomictic) |
Reference |
Rosenberg, O. 1912: Über die Apogamie bei Chondrilla juncea. Svensk Botanisk Tidskrift 6:915-919 |
Type of apomixis » |
Type of apomixis |
a (autonomous) |
Reference |
Cuthbertson, E.G. 1974: Seed development in Chondrilla juncea. Australian Journal of Botany 22:13-18 |
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 |
Flower color » |
Flower colour |
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 |
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 |
always [1] |
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 |
always [1] |
Development of additional appendages |
|
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
0.6 |
Weight (mean) [mg] |
0.6 |
Weight (maximum) [mg] |
0.6 |
Measured object |
Germinule |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
|
Weight (mean) [mg] |
0.7 |
Weight (maximum) [mg] |
|
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
|
Weight (mean) [mg] |
0.7 |
Weight (maximum) [mg] |
|
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
3.5 |
Length (mean) [mm] |
3.8 |
Length (maximum) [mm] |
4.5 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.8 |
Height (minimum) [mm] |
0.4 |
Height (mean) [mm] |
0.5 |
Height (maximum) [mm] |
0.7 |
Measured object |
Germinule |
Type of germinule or diaspore |
F (fruit) |
Constraint |
True |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
7.0 |
Length (mean) [mm] |
8.2 |
Length (maximum) [mm] |
10.0 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.8 |
Height (minimum) [mm] |
0.4 |
Height (mean) [mm] |
0.5 |
Height (maximum) [mm] |
0.7 |
Measured object |
Diaspore |
Type of germinule or diaspore |
FZb (fruit with appendage) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
16.0 |
Length (mean) [mm] |
16.2 |
Length (maximum) [mm] |
16.5 |
Width (minimum) [mm] |
0.5 |
Width (mean) [mm] |
0.6 |
Width (maximum) [mm] |
0.8 |
Height (minimum) [mm] |
0.4 |
Height (mean) [mm] |
0.5 |
Height (maximum) [mm] |
0.7 |
special references:
|
Hensen, I., Müller, C. 1997: Experimental and structural investigations of anemochorous dispersal. Plant Ecology 133:169-180 (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)
|
Frey, W., Hauser, A. 1996: Onopordetum acanthii (Eselsdistel-Gesellschaft) im mittleren und unteren Unstruttal - Lebensstrategien in einer wärmeliebenden Ruderalgesellschaft. Hausknechtia, Beiheft 6:1-84 (Gattung)
|
Hanf, M. 1984: Ackerunkräuter Europas mit ihren Keimlingen und Samen. . BLV Verlagsgesellschaft, München, Wien, Zürich. (Gattung)
|
|
Habitat » |
Habitat |
T6.2 (null) Alliance: Festuco-Brometea
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T6.2.1.4 (null) Alliance: ???
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
Habitat |
T7.5.2.1 (null) Alliance: Convolvulo-Agropyrion repentis
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
|
|
Class » |
English circumscription |
05.2 (Pioneer communities of hair-grasses) Class: Koelerio-Corynephoretea
|
English circumscription |
05.3 (Fescue-brome communities of dry and semi-dry grasslands) Class: Festuco-Brometea
|
English circumscription |
06.5 (Eusiberian ruderal mugwort and thistles communities, and couch-grasslands) Class: Artemisietea vulgaris
|
|
|
|
Display of complete information for the selected species. Only traits available for the selected species are displayed.
|