The morphology of hairs in species of Plantago L. sectio Oreades Decne

Emilia Andrzejewska-Golec, Jacek Świętosławski

Abstract


The hairs of three taxa of sectio Oreades Decne genus Plantago have been studied. We have found that hair typical for the majority of representatives of the genus Plantago, that is, with a unicellular stalk and head vertically divided into two cells, occur in these studied taxa. Some of the headless hairs occurring here are similar to those occurring in sectio Arnoglossum Decne. Rahn's (1978) suggestion of transferring sectio Oreades to the subgenus Psyllium seems wrong since the representatives of this section, in contrast to subgenus Psyllium, do not have hairs with the stalks consisting of several cells and unicellular heads, club-like hairs or iridoid-plantarenaloside. They contain, however, hairs with overlapping cells and iridoid-catapol, which is absent in the taxa of subgenus Psyllium.

Keywords


genus Plantago L.; sectio Oreades Decne; hairs; scanning electron microscopy

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DOI: https://doi.org/10.5586/asbp.1989.042

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Polish Botanical Society