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PalDat - Palynological Database

an online publication on recent pollen

Juncus jacquinii

Taxonomy: Spermatophyta, Juncales, Juncaceae, Juncus

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad,  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: -,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): -,  aperture number: 1,  aperture type: -,  aperture condition: ulcerate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: -,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: Tetrads are tetrahedral.

Author(s) of diagnosis: Svojtka, M.; Halbritter, H.

Pictures

flower(s)

1. flower(s)

hydrated tetrad

2. hydrated tetrad

aperture detail

3. aperture detail

exine surface

4. exine surface

dry tetrads

5. dry tetrads

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture detail - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Svojtka M., Halbritter H. 2005. Juncus jacquinii. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Juncus_jacquinii/101486;jsessionid=DD8BD929C8D7A293F5690F8252798BD6; accessed 2025-01-26

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