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Cytosystematik, bimodale Chromosomensätze und permanente Anorthoploidie beiOnosma (Boraginaceae)
  • H. Teppner
  • Biology
  • Österreichische botanische Zeitschrift
  • 1 February 1971
TLDR
Bimodality and permanent anorthoploidy inOnosma are compared with similar phenomena in other plant species. Expand
Blüten und Blütenbesucher bei Onosma (Boraginaceae – Lithospermeae)
TLDR
On cultivated Onosmas in Central Europe Anthophora acervorum females and workers of different Bombus species are the main pollinators and females of the oligolectic bee Osmia apicata seems to be important and regular pollinators which collect without buzzing. Expand
ANTHOXANTHUM MADERENSE SPEC, NOVA UND A.ODORATUM (POACEAE-AVENEAE) VON MADEIRA UND DEREN CHROMOSOMEN-MORPHOLOGIE
TLDR
Anthoxanthum maderense TEPPNER spec, nova from the higher elevations of Madeira (Portugal) is a perennial and is well characterised by its chamaephytic growth habit and the discolored rolling leaves. Expand
Karyotypen europäischer, perennierender Sippen der Gramineen-GattungAnthoxanthum
  • H. Teppner
  • Biology
  • Österreichische botanische Zeitschrift
  • 1 June 1970
TLDR
Investigations of karyotypes led to the recognition of six diploid genomes in perennial Anthoxanthums; four were found in diploids, two only in allotetraploids. Expand
Karyosystematik einiger asiatischerOnosma-Arten (Boraginaceae), inkl.O. inexspectatumTeppner, spec. nov.
  • H. Teppner
  • Biology
  • Plant Systematics and Evolution
  • 1 March 1974
TLDR
The karyology of 7Onosma species is treated and the earlier known number of 43 chromosomes in albo-roseum, found in most individuals from garden origin, is interpreted as monosomic, but this is eliminated at least in most cases in the EMCs. Expand
Cytosystematische Studien an Onosma (Boraginaceae) Die Formenkreise von O. echioides, O. helveticum und O. arenarium
Zusammenfassung In einem Uberblick uber die mitteleuropaischen Onosma-Arten werden auf Grund karyologischer Daten einerseits O. echioides agg., andererseits haplotriche Sippen mit 2n = 12 alsExpand
Adventitious embryony inNigritella (Orchidaceae)
The embryology of diploid and polyploidNigritella species is described. The development of the adventitious embryos of the polyploids in relation to the sexual embryos of the diploids has been givenExpand
Etiam atque etiam--Nigritella versus Gymnadenia: Neukombinationen und Gymnadenia dolomitensis spec. nova (Orchidaceae-Ocrchideae)
TLDR
All Nigritella species which have been discovered in the last 15 years are transferred to the genus Gymnadenia, and a new tetraploid and apomicitc species with red coloured flowers, open lips and elongated infrutescences is described. Expand
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