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PalDat - Palynological Database

an online publication on recent pollen

Carex halleriana

Taxonomy: Spermatophyta, Juncales, Cyperaceae, Carex

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: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 6,  aperture type: poroid,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate,  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: The number of apertures is not constant; between 5-7, mostly 6. There are pseudomonads with 3 aborted pollen grains on the sharp edge of the tetrads.

Author(s) of diagnosis: Halbritter, H.

Pictures

flower(s)

1. flower(s)

hydrated tetrad

2. hydrated tetrad

hydrated tetrad

3. hydrated tetrad

aperture

4. aperture

exine surface

5. exine surface

dry tetrads

6. dry tetrads

Picture legend

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

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2005. Carex halleriana. In: PalDat - A palynological database. https://www.paldat.org/pub/Carex_halleriana/101177;jsessionid=F3EF50AD92F7ED7B9381FCB245B34885; accessed 2024-03-28

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