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Duchesnea indica a hybride?
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Posted by martweb (martweb@gmx.net) on Wed, May 26, 04 at 5:33
One parent of Duchesnea indica (6x) could be a hybride of Fragaria nilgerrensis (2x) and a tetraploid Potentilla, possibly:
Potentilla acaulis
Potentilla brauniana
Potentilla cineria
Potentilla dickinsii
Potentilla fragarioides
Potentilla freyniana
Potentilla frigida
Potentilla gelida
You can find pictures on the Internet. Currently I do not have any chromosome counts of those species so it is difficult to go more in detaills, also those plants seem to be difficult to get. Does anyone have an information or idea which one would fit most?
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Follow-Up Postings:
RE: Duchesnea indica a hybride?
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| It may also be Potentilla tucumanensis or Potentilla norvegica. |
RE: Duchesnea indica a hybride?
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Here a first result:
Potentilla brauneana: 2n=14.
Potentilla cinerea: 2n=14, 28.
Potentilla frigida: 2n=28.
Potentilla gelida: 2n=28, 42, 48, 64. |
RE: Duchesnea indica a hybride?
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Potentilla acaulis 28.
Potentilla fragarioides 14.
Potentilla freyniana 14. |
RE: Duchesnea indica a hybride?
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Potentilla norvegica 2n=70, 56.
Potentilla tucumanensis 2n=14. |
RE: Duchesnea indica a hybride?
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Potentilla brauneana Hoppe:
2n = 14 Mattick 1950
Potentilla dickinsii Franch. & Savat.:
2n = 14 Kawano 1963
Potentilla fragarioides L.:
2n = 14 Shimotomai 1929
2n = 56 C.P. Malik 1965
Potentilla freyniana Bornm.:
2n = 14 Shimotomai 1930
Potentilla frigida Vill:
2n = 28 Popov 1939, Favarger 1965
Potentilla gelida C.A.Mey.:
2n = 42 Shimotai 1930, Popov 1939, Gustafsson 1947
Potentilla norvegica L.:
2n = 42, 2n = 56, 2n = 70 Popov 1939
2n = 70 Christoff, Papasova 1943
2n = 70 Löve, A. 1954
2n = 70 Löve, A. & Löve, D. 1956
2n = 70 Mulligan 1959
Potentilla megalantha Takeda:
2n = 70 Shimotomai 1929 |
RE: Duchesnea indica a hybride?
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| Or Potentilla anglica 2n=56. |
RE: Duchesnea indica a hybride?
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| Probably Duchesnea cames from an unreduced eg of Fragaria nilgerrensis and a octaploid Potentilla. |
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