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PalDat - Palynological Database

an online publication on recent pollen

Rhododendron ferrugineum

Taxonomy: Angiospermae, Ericales, Ericaceae, Rhododendron

Published: 2015-08-18

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: tetrad,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): isodiametric,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Annotations

single pollen grains of tetrad spheroidal to oblate, tenuitates in interapertural equatorial areas

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

tetrad

3. tetrad

aperture

4. aperture

exine surface,tenuitates in equatorial region

5. exine surface, tenuitates in equatorial region

exine surface with viscin thread

6. exine surface with viscin thread

polar area

7. polar area

dry pollen

8. dry pollen

Ubisch bodies on locule wall

9. Ubisch bodies on locule wall

Picture legend

  1. flower(s), photographer: Sonnleitner, M.
  2. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. tetrad - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface, tenuitates in equatorial region - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface with viscin thread - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  9. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Sonnleitner M. 2015. Rhododendron ferrugineum. In: PalDat - A palynological database. https://www.paldat.org/pub/Rhododendron_ferrugineum/300152;jsessionid=48694BCA7CCFCCB5F293F25FF6B02BDB; accessed 2018-11-15