species information (Systematics, BiolFlor-Names, Status) |
BiolFlor-Name |
family |
german name(s) |
Sempervivum tectorum L. |
Crassulaceae » |
Gewöhnliche Hauswurz
|
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) |
Sempervivum tectorum L. |
accepted |
Sempervivum tectorum subsp. schottii (Baker) Wettst. |
Synonym |
Sempervivum glaucum Ten. |
Synonym |
>Sempervivum tectorum subsp. alpinum (Griseb. & Schenk) Wettst. |
accepted |
>Sempervivum alpinum Griseb. & Schenk |
Basionym |
>Sempervivum tectorum subsp. tectorum |
accepted |
>Sempervivum tectorum var. rhenanum Hegi & E. Schmid |
Synonym |
>Sempervivum tectorum var. tectorum |
Synonym |
|
Chromosome number » |
Basic chromosome number |
18 |
Chromosome number 2n |
76 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
|
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
18 |
Chromosome number 2n |
72 |
Chromosome number (Germany) |
True |
Most common chromosome race |
False |
Ploidy level |
4 (tetraploid) |
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
Basic chromosome number |
18 |
Chromosome number 2n |
74 |
Chromosome number (Germany) |
False |
Most common chromosome race |
False |
Ploidy level |
|
Ploidy type |
R (palaeopolyploid; polyploid basic number) |
Reference |
Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart |
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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 |
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 |
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Type of reproduction » |
Type of reproduction |
vvs (mostly vegetatively, rarely by seed) |
Reference |
Lippert, W. 1995: Crassulaceae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, 4 (2a), S. 69-129, Blackwell, Berlin |
Type of seed production » |
Type of seed production |
s (amphimictic, sexual) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
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 |
Self-sterility and self-incompatibility » |
Self-sterility and self-incompatibility |
SC (self-compatibel) |
Reference |
East, E.M. 1940: The distribution of self-sterility in the flowering plants. Proceedings of the American Philosophical Society 82:449-518 |
Systematic reference |
genus [G] |
Pollen vector » |
Pollen vector |
in (insects) Pollen vector group: zo (Tierbestäubung) |
Abundance |
the rule [2] |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Systematic reference |
species [S] |
Breeding system » |
Breeding system |
X (allogamous) |
Reference |
Lippert, W. 1995: Crassulaceae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, 4 (2a), S. 69-129, Blackwell, Berlin |
Floral rewards » |
Floral rewards |
1 (nectar) |
Reference |
Lippert, W. 1995: Crassulaceae. In: Hegi, G.B. (Hrsg.) Illustrierte Flora von Mitteleuropa, 4 (2a), S. 69-129, Blackwell, Berlin |
Amount of floral reward |
3 (present) |
Floral rewards |
1 (nectar) |
Reference |
Knuth, P. 1898: Handbuch der Blütenbiologie. Leipzig |
Amount of floral reward |
3 (present) |
Flower color » |
Flower colour |
pink |
Basic flower colour |
ro (pink) |
Reference |
Schubert, R., Jäger, E.J., Werner, K. (Hrsg.) 1987: Exkursionsflora Band 3. Atlas der Gefäßpflanzen. 6. Aufl., Volk und Wissen, Berlin |
UV reflection of the flower » |
UV reflection in the periphery of the flower |
5 (40-66 %) |
UV reflection in the centre of the flower |
5 (40-66 %) |
UV reflection pattern |
1 (UV reflectance pattern present) |
Flower class after MUELLER » |
Flower class after MUELLER |
B (flowers with totally hidden nectar) Typical pollinators: bees, bumblebees, wasps, bombylides, syrphids |
Flower type after KUGLER » |
Flower type after KUGLER |
1.2bd (disk flowers with nectar ± hidden nectaries at or in ovary) |
|
Fruit type » |
Fruit type |
SaBa (aggregate follicles) |
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 |
sometimes [2] |
Development of elongated appendages |
|
Development of additional appendages |
|
Sizes » |
Measured object |
Germinule |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
0.9 |
Length (mean) [mm] |
1.0 |
Length (maximum) [mm] |
1.2 |
Width (minimum) [mm] |
0.4 |
Width (mean) [mm] |
0.4 |
Width (maximum) [mm] |
0.5 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
Measured object |
Diaspore |
Type of germinule or diaspore |
S (seed) |
Constraint |
False |
Heteromorphic type |
n (not heteromorphic) |
Length (minimum) [mm] |
0.9 |
Length (mean) [mm] |
1.0 |
Length (maximum) [mm] |
1.2 |
Width (minimum) [mm] |
0.4 |
Width (mean) [mm] |
0.4 |
Width (maximum) [mm] |
0.5 |
Height (minimum) [mm] |
0.2 |
Height (mean) [mm] |
0.2 |
Height (maximum) [mm] |
0.3 |
special references:
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Anderberg, A.L. 1994: Atlas of seeds and small fruits of Northwest-European plant species with morphological descriptions. - Part 4 (Resedaceae - Umbelliferae). Swedish Museum of Natural History, Stockholm (Gattung)
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Beijerink, W. 1947: Zadenatlas der Nederlandsche Flora. Biol. Stat. Wijster, Wageningen (Gattung)
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Knapp, U. 1994: Skulptur der Samenschale und Gliederung der Crassulaceae. Botanische Jahrbücher für Systematik 116:157-187 (Gattung)
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Habitat » |
Habitat |
T5.1.1.4 (null) Alliance: Sedo-Scleranthion
|
Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Habitat |
T5.2.3 (null) Alliance: Asplenietea trichomanis
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Occurrence questionable |
False |
Occurence restricted |
False |
Annotation |
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Class » |
English circumscription |
04.1 (Communities of cracks in rocks and walls) Class: Asplenietea trichomanis
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English circumscription |
05.2 (Pioneer communities of hair-grasses) Class: Koelerio-Corynephoretea
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