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PalDat - Palynological Database

an online publication on recent pollen

Tilia euchlora

Taxonomy: Spermatophyta, Malvales, Tiliaceae, Tilia

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 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: isopolar,  P/E-ratio: oblate,  shape: -,  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: 3,  aperture type: -,  aperture condition: colpate,  aperture peculiarities: aperture membrane ornamented, oncus

Ornamentation and Structure

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

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: starch,  cell number: 2-celled,  Ubisch bodies: present

Author(s) of diagnosis: Sam, S.

Pictures

habitus of Tilia euchlora

1. habitus of Tilia euchlora

flowers of Tilia euchlora

2. flowers of Tilia euchlora

upper focus

3. upper focus

optical section

4. optical section

lower focus

5. lower focus

pollen grain with generative cell and vegetative nucleus

6. pollen grain with generative cell and vegetative nucleus

polar view

7. polar view

equatorial view

8. equatorial view

aperture

9. aperture

exine surface

10. exine surface

exine surface

11. exine surface

dry pollen grains

12. dry pollen grains

polar view (dry pollen grain)

13. polar view (dry pollen grain)

anther wall with Ubisch bodies

14. anther wall with Ubisch bodies

Picture legend

  1. habitus of Tilia euchlora, photographer: Sam, S.
  2. flowers of Tilia euchlora, photographer: Sam, S.
  3. upper focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  4. optical section - fresh, acetolyzed, unstained, photographer: Sam, S.
  5. lower focus - fresh, acetolyzed, unstained, photographer: Sam, S.
  6. pollen grain with generative cell and vegetative nucleus - fresh, unfixed, aceto-carmine, photographer: Sam, S.
  7. polar view - fresh, DMP & critical point dried, photographer: Sam, S.
  8. equatorial view - fresh, DMP & critical point dried, photographer: Sam, S.
  9. aperture - fresh, DMP & critical point dried, photographer: Sam, S.
  10. exine surface - fresh, DMP & critical point dried, photographer: Sam, S.
  11. exine surface - fresh, DMP & critical point dried, photographer: Sam, S.
  12. dry pollen grains - dry, sputter coated with gold, photographer: Sam, S.
  13. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Sam, S.
  14. anther wall with Ubisch bodies - fresh, DMP & critical point dried, photographer: Sam, S.

Literature

  • Anderson GJ (1976) The pollination biology of Tilia. Amer J Bot 63: 1203-1212
  • Chambers TC, Godwin H (1961) The fine structure of the pollen wall of Tilia platyphyllos. New Phytol 3?: 393-399
  • Chambers TC, Godwin H (1971) Scanning electron microscopy of Tilia pollen. New Phytol 70: 687-692
  • Hesse M (1993) Pollenkitt development and composition in Tilia platyphyllos (Tiliaceae) analysed by conventional and energy filtering TEM. Pl Syst Evol, Suppl 7: 39-52

Copyright and Citation

Cite this publication as:

Sam S. 2005. Tilia euchlora. In: PalDat - A palynological database. https://www.paldat.org/pub/Tilia_euchlora/109976;jsessionid=6141B325F506E08EA9650FEA05D0A402; accessed 2020-11-29

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