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PalDat - Palynological Database

an online publication on recent pollen

Carex praecox

Taxonomy: Angiospermae, Poales, Cyperaceae, Carex

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

Published: 2021-01-13

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): 36-40 µm,  shortest polar axis in equatorial view (LM): 26-30 µm,  longest polar axis in equatorial view (LM): 36-40 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: -

Miscellaneous

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

Author(s) of diagnosis: Auer, Waltraud

Pictures

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.

Literature

    Copyright and Citation

    Cite this publication as:

    Auer W. 2021. Carex praecox. In: PalDat - A palynological database. https://www.paldat.org/pub/Carex_praecox/304969;jsessionid=F92969AC52EA810D207710409B33FC1F; accessed 2021-07-27