PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Carex umbrosa

Taxonomy: Angiospermae, Poales, Cyperaceae, Carex

Published: 2021-01-13

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: pseudomonad,  size (pollen unit): -,  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): 31-35 µm,  longest polar axis in equatorial view (LM): 41-50 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: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  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: -,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -


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

Annotations: number of apertures mostly 5 or 6

Author(s) of diagnosis: Auer, Waltraud


hydrated pollen

1. hydrated pollen

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

Picture legend

  1. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  2. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.


    Copyright and Citation

    Cite this publication as:

    Auer W. 2021. Carex umbrosa. In: PalDat - A palynological database.;jsessionid=3426EEC57F5A46C7970D67892CC6A757; accessed 2021-07-27