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an online publication on recent pollen

Arenaria tetraquetra

Taxonomy: Angiospermae, Caryophyllales, Caryophyllaceae, Arenaria

Published: 2021-02-08

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 36-40 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 36-40 µm,  pollen class: porate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: aperture membrane ornamented, pantoaperturate

Ornamentation and Structure

LMornamentation LM: verrucate, scabrate, gemmate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  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; Heigl, Helmut

Pictures

habitus

1. habitus

habitus,flower(s)

2. habitus, flower(s)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

hydrated pollen

6. hydrated pollen

hydrated pollen

7. hydrated pollen

aperture

8. aperture

aperture

9. aperture

exine surface

10. exine surface

dry pollen

11. dry pollen

Ubisch bodies on locule wall

12. Ubisch bodies on locule wall

Picture legend

  1. habitus, photographer: Weis, B.
  2. habitus, flower(s), photographer: Weis, B.
  3. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture - 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, rehydrated (water) & critical point dried & 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

Copyright and Citation

Cite this publication as:

Halbritter H., Heigl H., Weis B. 2021. Arenaria tetraquetra. In: PalDat - A palynological database. https://www.paldat.org/pub/Arenaria_tetraquetra/305255;jsessionid=F3117B7399442A308292EE8B013F494E; accessed 2024-03-28

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