| species information (Systematics, BiolFlor-Names, Status) |
| BiolFlor-Name |
family |
german name(s) |
| Conyza albida Willd. ex Spreng. |
Asteraceae » |
Weißes Berufkraut
|
| 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) |
| Conyza albida Willd. ex Spreng. |
accepted |
|
| 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 |
Goldblatt, P., Johnson, D.E. 1990: Index to plant chromosome numbers 1986-1987. Monographs in Systematic Botany 30:1-243 |
|
| Flowering phenology » |
| Begin of flowering (months) |
8 |
| End of flowering (months) |
10 |
| 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 |
|
| 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 |
gm (gynomonoecious) |
| Abundance |
always [1] |
| Reference |
Anmerkung 2002: pers. obs. |
| Self-sterility and self-incompatibility » |
| Self-sterility and self-incompatibility |
SC (self-compatibel) |
| Reference |
Mummenhoff, K. 1995: Should Cardaria draba (L.) Desv.be classified within the genus Lepidium L. (Brassicaceae)? Evidence from subunit polypeptide composition of RUBISCO. Feddes Repertorium 106:25-28 |
| Systematic reference |
genus [G] |
| Pollen vector » |
| Pollen vector |
se (selfing)
Pollen vector group: se (Selbstbestäubung) |
| Abundance |
the rule [2] |
| Reference |
Thebaud, C., Abbott, R. 1995: Characterization of invasive Conyza species (Asteraceae) in Europe: quantitative trait and isozyme analysis. American Journal of Botany 82:360-368 |
| Systematic reference |
genus [G] |
| Breeding system » |
| Breeding system |
AF (facultative autogamous) |
| Reference |
Anmerkung 2002: vgl. Klassifizierungsschema Abb. |
| Flower color » |
| Flower colour |
white and green |
| Basic flower colour |
w (white) |
| Reference |
Haeupler, H., Muer, T. 2000: Bildatlas der Farn- und Blütenpflanzen Deutschlands. Ulmer, Stuttgart |
| 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 |
7.2c (flower heads, Asteraceae, ray and disk 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 |
sometimes [2] |
| 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] |
0.0 |
| Weight (mean) [mg] |
0.0 |
| Weight (maximum) [mg] |
0.0 |
| special references:
|
| Briemle, G. 1996: Farbatlas Kräuter und Gräser. Ulmer, Stuttgart (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)
|
| 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)
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|
| Class » |
| English circumscription |
06.4 (Annual ruderal communities)
Class: Sisymbrietea officinalis
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