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PalDat - Palynological Database

an online publication on recent pollen

Orejuncus monanthos

Taxonomy: Angiospermae, Poales, Juncaceae, Orejuncus

Published: 2019-12-19

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: tetrad,  polarity: heteropolar,  P/E-ratio: -,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: ulcus,  aperture condition: ulcerate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microverrucate, microechinate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: present

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

inflorescence(s)

2. inflorescence(s)

tetrad,apical view

3. tetrad, apical view

tetrad,lateral view

4. tetrad, lateral view

tetrad,basal view

5. tetrad, basal view

tetrad

6. tetrad

aperture

7. aperture

aperture detail

8. aperture detail

aperture detail

9. aperture detail

exine surface

10. exine surface

dry pollen

11. dry pollen

Ubisch bodies on locule wall

12. Ubisch bodies on locule wall

Picture legend

  1. inflorescence(s), photographer: Berger, A.
  2. inflorescence(s), photographer: Berger, A.
  3. tetrad, apical view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. tetrad, lateral view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. tetrad, basal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies on locule wall - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • DRABKOVA LZ, KIRSCHNER J (2013) Oreojuncus, a new genus in the Juncaceae Preslia 85: 483-503

Copyright and Citation

Cite this publication as:

Halbritter H., Berger A. 2019. Orejuncus monanthos. In: PalDat - A palynological database. https://www.paldat.org/pub/Orejuncus_monanthos/303584;jsessionid=6155669D08DFA9FBA3A4F07721675406; accessed 2024-04-27