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PalDat - Palynological Database

an online publication on recent pollen

Helleborus lividus

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Helleborus


Published: 2021-03-30

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): -,  size of hydrated pollen (LM): 31-35 µm,  shortest polar axis in equatorial view (LM): 26-30 µm,  longest polar axis in equatorial view (LM): 26-30 µm,  shortest diameter in equatorial or polar view (LM): 31-35 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  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: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: granulate, scabrate, verrucate,  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: Pictures of hydrated pollen are from Helleborus lividus ssp. corsicus

Author(s) of diagnosis: Heigl, Helmut


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:

    Heigl H., Auer W. 2021. Helleborus lividus. In: PalDat - A palynological database.;jsessionid=C05CF7351B9B4F4DDBBDB399DB81802D; accessed 2021-12-04