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PalDat - Palynological Database

an online publication on recent pollen

Alnus alnobetula

Taxonomy: Angiospermae, Fagales, Betulaceae, Alnus

Published: 2021-05-31

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): -,  size of hydrated pollen (LM): 21-25 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 21-25 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: oblate,  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: 5,  aperture type: porus,  aperture condition: porate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: psilate,  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: Heigl, Helmut; 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: Heigl, H.
  2. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Heigl H., Auer W. 2021. Alnus alnobetula. In: PalDat - A palynological database. https://www.paldat.org/pub/Alnus_alnobetula/306088; accessed 2024-11-10

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