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PalDat - Palynological Database

an online publication on recent pollen

Carex hirta

Taxonomy: Angiospermae, Poales, Cyperaceae, Carex

Links: http://flora.nhm-wien.ac.at/seiten-arten/carex-hirta-2.htm

Published: 2021-01-13

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: pseudomonad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 51-100 µm,  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: -,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: poroid,  aperture condition: poroidate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: scabrate, verrucate, gemmate,  nexine: -,  sexine: -,  SEMornamentation SEM: microverrucate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: number of apertures about 6 (5 - 7)

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pseudomonads

5. hydrated pseudomonads

equatorial view

6. equatorial view

polar distal view

7. polar distal view

aperture

8. aperture

exine surface

9. exine surface

dry pseudomonads

10. dry pseudomonads

Ubisch bodies on inner anther wall

11. Ubisch bodies on inner anther wall

Picture legend

  1. inflorescence(s), photographer: Svojtka, M.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated pseudomonads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pseudomonads - dry, sputter coated with gold, photographer: Halbritter, H.
  11. Ubisch bodies on inner anther wall - fresh, 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., Auer W., Svojtka M. 2021. Carex hirta. In: PalDat - A palynological database. https://www.paldat.org/pub/Carex_hirta/304964;jsessionid=E1D58ECF27975A4B47CC30BF8FE26042; accessed 2021-01-26

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