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PalDat - Palynological Database

an online publication on recent pollen

Schoenoplectus lacustris

Taxonomy: Angiospermae, Poales, Cyperaceae, Schoenoplectus

Published: 2017-01-17

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: pseudomonad,  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: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 5,  aperture type: poroid,  aperture condition: poroidate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  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

Annotations: aperture number varies from 5-7; equatorial poroids elongated resembling colpi

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pseudomonad

1. hydrated pseudomonad

hydrated pseudomonad

2. hydrated pseudomonad

hydrated pseudomonad

3. hydrated pseudomonad

aperture

4. aperture

dry pseudomonads

5. dry pseudomonads

Picture legend

  1. hydrated pseudomonad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated pseudomonad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated pseudomonad - 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. dry pseudomonads - 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

Copyright and Citation

Cite this publication as:

Halbritter H. 2017. Schoenoplectus lacustris. In: PalDat - A palynological database. https://www.paldat.org/pub/Schoenoplectus_lacustris/302965;jsessionid=7A35C83E987970A23B5D421D737BCDFB; accessed 2020-10-28

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