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PalDat - Palynological Database

an online publication on recent pollen

Lolium perenne

Taxonomy: Angiospermae, Poales, Poaceae, Lolium

Published: 2015-03-31

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: ulcerate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 1,  aperture type: ulcus,  aperture condition: ulcerate,  aperture peculiarities: operculum, annulus

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, areolate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: absent,  intine: -,  wall peculiarities: -

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: starch,  cell number: 3-celled,  Ubisch bodies: present

Annotations

shape spheroidal to prolate

Author(s) of diagnosis: Halbritter, Heidemarie; Schneider, H.; Weber, M.

Pictures

flowers of Lolium perenne

1. flowers of Lolium perenne

polar distal view

2. polar distal view

equatorial view

3. equatorial view

aperture

4. aperture

exine surface

5. exine surface

dry pollen

6. dry pollen

pollen grain in cross section

7. pollen grain in cross section

pollen wall

8. pollen wall

porus with operculum

9. porus with operculum

Picture legend

  1. flowers of Lolium perenne, photographer: Schneider, H.
  2. polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  7. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
  8. pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
  9. porus with operculum - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Schneider H., Weber M. 2015. Lolium perenne. In: PalDat - A palynological database. https://www.paldat.org/pub/Lolium_perenne/300032;jsessionid=AD9AE79CE0169859CFC9E8F2A3338229; accessed 2018-11-13

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