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PalDat - Palynological Database

an online publication on recent pollen

Ledum palustre

Taxonomy: Angiospermae, Ericales, Ericaceae, Ledum

Published: 2016-11-25

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  polarity: heteropolar,  shape: oblate,  outline in polar view: circular,  shape (dry pollen): -,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: fossulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: viscin threads

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated tetrads

2. hydrated tetrads

hydrated tetrad

3. hydrated tetrad

apertures

4. apertures

exine surface

5. exine surface

insertion of viscin thread

6. insertion of viscin thread

viscin thread on pollen surface

7. viscin thread on pollen surface

dry pollen grains

8. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated tetrads - 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. apertures - 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. insertion of viscin thread - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. viscin thread on pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Halbritter H. 2016. Ledum palustre. In: PalDat - A palynological database. https://www.paldat.org/pub/Ledum_palustre/302419;jsessionid=D3D23E622CF38BF920620BF68E5AD4DE; accessed 2019-11-17

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