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PalDat - Palynological Database

an online publication on recent pollen

Tilia cordata

Taxonomy: Angiospermae, Malvales, Malvaceae, Tilioideae, Tilia

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Tilia-cordata.htm, https://wu.jacq.org/WU0097095

Published: 2024-02-13

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 21-25 µm, 26-30 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 26-30 µm,  longest diameter in equatorial or polar view (LM): 26-30 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: oblate,  shape: convex triangular,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: brevicolpus

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut; Auer, Waltraud; Gastaldi, Cristina; Geier, Christian; Bouchal, Johannes Martin; Grímsson, Friðgeir

Pictures

hydrated pollen

1. hydrated pollen

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

acetolyzed pollen,polar view

4. acetolyzed pollen, polar view

acetolyzed pollen,polar view

5. acetolyzed pollen, polar view

acetolyzed pollen,polar view

6. acetolyzed pollen, polar view

acetolyzed pollen,equatorial view

7. acetolyzed pollen, equatorial view

acetolyzed pollen,equatorial view

8. acetolyzed pollen, equatorial view

acetolyzed pollen,equatorial view

9. acetolyzed pollen, equatorial view

acetolyzed pollen,polar view

10. acetolyzed pollen, polar view

acetolyzed pollen,equatorial view

11. acetolyzed pollen, equatorial view

polar view

12. polar view

equatorial view

13. equatorial view

aperture

14. aperture

exine surface

15. exine surface

dry pollen grains

16. dry pollen grains

acetolyzed pollen,polar view

17. acetolyzed pollen, polar view

acetolyzed pollen,slightly oblique equatorial view

18. acetolyzed pollen, slightly oblique equatorial view

acetolyzed pollen,exine surface

19. acetolyzed pollen, exine surface

acetolyzed pollen,aperture

20. acetolyzed pollen, aperture

Picture legend

  1. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  2. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  5. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  6. acetolyzed pollen, polar view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  7. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  8. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  9. acetolyzed pollen, equatorial view - dry, acetolyzed, unstained, photographer: Gastaldi, C.
  10. acetolyzed pollen, polar view - dry, acetolyzed & glycerine, unstained, photographer: Geier, C.
  11. acetolyzed pollen, equatorial view - dry, acetolyzed & glycerine, unstained, photographer: Geier, C.
  12. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  17. acetolyzed pollen, polar view - dry, acetolyzed & sputter coated with gold, photographer: Bouchal, J.
  18. acetolyzed pollen, slightly oblique equatorial view - dry, acetolyzed & sputter coated with gold, photographer: Bouchal, J.
  19. acetolyzed pollen, exine surface - dry, acetolyzed & sputter coated with gold, photographer: Bouchal, J.
  20. acetolyzed pollen, aperture - dry, acetolyzed & sputter coated with gold, photographer: Bouchal, J.

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
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • TISON JM, FOUCAULT B (2014) Flora Gallica

Copyright and Citation

Cite this publication as:

Halbritter H., Heigl H., Auer W., Gastaldi C., Geier C., Bouchal J., Grímsson F. 2024. Tilia cordata. In: PalDat - A palynological database. https://paldat.org/pub/Tilia_cordata/306671;jsessionid=755F3EFBE30733E42DE42012CD0D645A; accessed 2024-06-23

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