Temat: identification key - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Typha laxmannii Lepech. the new, expansive kenophyte in Poland: distribution and taxonomy
Autorzy:: Baryla, J
Broz, E.
Czylok, A.
Michalewska, A.
Nikel, A.
Nobis, M.
Piwowarczyk, R.
Poloczek, A.
Powiązania:: https://bibliotekanauki.pl/articles/57625.pdf
Data publikacji:: 2005
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: kenophyte
hemiagriophyte
Typha laxmannii
Polska
botany
antropophyte species
taxonomy
distribution
identification key
Opis:: The paper provides data on a new antropophyte species - Typha laxmannii Lepech. which spreads throughout Poland as a hemiagriophyte. Its present distribution in Poland is given on a cartogramme map in a 10×10 km square grid and its geographic element, population numbers and notes on habitats are provided. An identification key to 5 species of the Typha genus, two native, one new which is the topic of this paper, and two which can be expected to be discovered in Poland.
Źródło:: Acta Societatis Botanicorum Poloniae; 2005, 74, 1
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Hair types in Polish selected taxa of Potentilla subsect. Collinae [Rosaceae]
Autorzy:: Kolodziejek, J
Powiązania:: https://bibliotekanauki.pl/articles/59134.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: leaf hair type
Rosaceae
SEM analysis
Potentilla collina
identification key
hair type
Opis:: Leaf hair types in Polish selected taxa from Potentilla subsect. Collinae Juz., i.e. P. collina Wibel s.str., P. silesiaca Uechtr. P. thyrsiflora Hillsen ex Zimmeter, P. wimanniana Gilnther and Schummel, P. leucopolitana P.J. Milller and P. leucopolitana P.J. Milller x P. incana P. Graebner were studied. A total of five unicellular hair types could be distinguished, based on the structure of the hair: straight, involuted, crispate, curved and stellate. The occurrence of involuted, curved and stellate hairs was observed for the first time for the majority of investigated taxa. There is a variation in density, position, as well as in the number of arms of stellate hairs. Although they are difficult to see without a stereo microscope, these differences seem to be systematically important. The study of hair types on surfaces of leaves supports the opinion that P. collina s.lato is a hybrid between P. argentea L. s.la-to, P. tabernaemontani Ascherson and P. incana P. Gaertner. Hairs form consistent characters which are highly suited for systematic purposes. The key to Polish taxa based on leaf hair types is given as well.
Źródło:: Acta Societatis Botanicorum Poloniae; 2008, 77, 3; 217-224
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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