species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Asclepias syriaca L. |
Asclepiadaceae » |
Gewöhnliche Seidenpflanze
|
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 »
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Synonymy (taxonomy after Wisskirchen & Haeupler, 1998) |
Asclepias syriaca L. |
accepted |
|
Chromosome number » |
Basic chromosome number |
11 |
Chromosome number 2n |
22 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
2 (diploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Darlington, C.D., Wylie, A.P. 1955: Chromosome atlas of flowering plants. 2. Aufl., Georg Allen & Unwin, London |
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Life form » |
Life form |
G (Geophyte) |
Qualifier |
always [1] |
Life form |
H (Hemicryptophyte) |
Qualifier |
always [1] |
Life span » |
Life span |
p (pluriennial-pollakanthic) |
Qualifier |
always [1] |
Vegetative propagation » |
Vegetative propagation |
ws (Root shoot) |
Qualifier |
always [1] |
Root metamorphoses » |
Root metamorphoses |
ws (Root shoot) |
Qualifier |
always [1] |
Rosettes » |
Rosettes |
r (Erosulate plant) |
Qualifier |
always [1] |
special references:
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Bhowmik, P.C., Bandeen, J.D. 1976: The biology of Canadian weeds. 19. Asclepias syriaca L.. Canadian Journal of Plant Science 56:579-589
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Hsiao, A.I., McIntyre, G. 1984: Evidence of competition for water as a factor in the mechanism of root-bud inhibition in milkweed (Asclepias syriaca). Canadian Journal of Botany 62:379-384
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Lukasiewicz, A. 1962: Morfologizno-rozwojowe typy bylin (Morphologic development types of perennials). The Poznan Soc. of Friends of Science. Dept. math. -nat. Sci. Publ. Ser. Biol. (Posen) 27:1-398
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Wittrock, V.B. 1884: Über Wurzelsprosse bei krautigen Gewächsen, mit besonderer Rücksicht auf ihre verschiedene biologische Bedeutung. Biol. Centralbl. 17:227-232
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Irmisch, T. 1860: Über die Adventivknospen auf den Wurzeln von Asclepias syriaca L.. Verhandlungen der Botanischen Vereinigung Berlin Brandenburg 2:122-124
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Irmisch, T. 1859: Briefliche Mitteilung an den Schriftführer des Vereins Vincetoxicum betreffend. Verhandlungen der Botanischen Vereinigung Berlin Brandenburg 1:41-51
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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 |
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Type of reproduction » |
Type of reproduction |
sv (by seed and vegetatively) |
Reference |
Bhowmik, P.C., Bandeen, J.D. 1976: The biology of Canadian weeds. 19. Asclepias syriaca L.. Canadian Journal of Plant Science 56:579-589 |
Type of seed production » |
Type of seed production |
s (amphimictic, sexual) |
Reference |
Bhowmik, P.C., Bandeen, J.D. 1976: The biology of Canadian weeds. 19. Asclepias syriaca L.. Canadian Journal of Plant Science 56:579-589 |
Dicliny » |
Dicliny |
so (hermaphroditic) |
Abundance |
always [1] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Dichogamy » |
Dichogamy |
h (homogamous) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SI (self-incompatibel) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Systematic reference |
species [S] |
SI mechanism » |
SI mechanism |
PSI (postcygotic self-incompatibility) |
Reference |
Seavey, S.R., Bawa, K.S. 1986: Late-acting self-incompatibility in angiosperms. The Botanical Review 52:195-219 |
Pollen vector » |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
always [1] |
Reference |
Bhowmik, P.C., Bandeen, J.D. 1976: The biology of Canadian weeds. 19. Asclepias syriaca L.. Canadian Journal of Plant Science 56:579-589 |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
X (allogamous) |
Reference |
Fryxell, P.M. 1957: Modes of reproduction of higher plants. The Botanical Review 23:135-233 |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
3 (present) |
Flower color » |
Flower colour |
dark pink |
Basic flower colour |
ro (pink) |
Reference |
Haeupler, H., Muer, T. 2000: Bildatlas der Farn- und Blütenpflanzen Deutschlands. Ulmer, Stuttgart |
UV reflection of the flower » |
UV reflection in the periphery of the flower |
2 (8-15 %) |
UV reflection in the centre of the flower |
0 (unknown) |
UV reflection pattern |
0 (no UV reflectance patterns) |
Flower class after MUELLER » |
Flower class after MUELLER |
Dkl (clamp trap flowers) Typical pollinators: flies, bees |
Flower type after KUGLER » |
Flower type after KUGLER |
10.2 (jam trap flowers) |
|
Fruit type » |
Fruit type |
Ba (follicle) |
Diaspore type » |
Diaspore type |
S (seed) |
Germinule type » |
Heteromorphic type |
n (not heteromorphic) |
Germinule type |
S (seed) |
Information available |
True |
Development of nutritious appendages |
|
Development of flat appendages |
always [1] |
Development of elongated appendages |
sometimes [2] |
Development of additional appendages |
|
Weights » |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
True |
Heteromorphic type |
n (not heteromorphic) |
Weight (minimum) [mg] |
3.5 |
Weight (mean) [mg] |
3.5 |
Weight (maximum) [mg] |
3.7 |
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
True |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
6.0 |
Length (mean) [mm] |
7.4 |
Length (maximum) [mm] |
8.5 |
Width (minimum) [mm] |
2.5 |
Width (mean) [mm] |
4.2 |
Width (maximum) [mm] |
6.0 |
Height (minimum) [mm] |
0.4 |
Height (mean) [mm] |
0.6 |
Height (maximum) [mm] |
1.0 |
special references:
|
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)
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Müller, P. 1955: Verbreitungsbiologie (Diasporologie) der Blütenpflanzen. Veröffentlichungen des Geobotanischen Institutes Rübel Zürich . Verlag Hans Huber, Bern. (Gattung)
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Habitat » |
Habitat |
T8.2.2.5 (null) Alliance: Onopordion acanthii
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Class » |
English circumscription |
06.5 (Eusiberian ruderal mugwort and thistles communities, and couch-grasslands) Class: Artemisietea vulgaris
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