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PalDat - Palynological Database

an online publication on recent pollen

Thunbergia laurifolia

Taxonomy: Angiospermae, Lamiales, Acanthaceae, Thunbergia

Links: https://flora.nhm-wien.ac.at/Seiten-Arten/Thunbergia-laurifolia.htm

Published: 2021-03-03

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: spiraperturate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: 1,  aperture type: spiral aperture(s),  aperture condition: spiraperturate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: verrucate, scabrate, gemmate,  nexine: absent,  sexine: present,  SEM  ornamentation SEM: fossulate, microgemmate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud; Heigl, Helmut

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated Pollen

5. hydrated Pollen

hydrated Pollen

6. hydrated Pollen

hydrated Pollen

7. hydrated Pollen

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

aperture detail

10. aperture detail

exine surface

11. exine surface

dry pollen

12. dry pollen

Ubisch bodies on locule wall

13. Ubisch bodies on locule wall

Picture legend

  1. flower(s), photographer: Weis, B.
  2. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  5. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  6. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  7. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  8. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  13. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & 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., Auer W., Heigl H., Weis B. 2021. Thunbergia laurifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Thunbergia_laurifolia/305545;jsessionid=C969E328608C712F292E75421D2B601E; accessed 2024-04-16

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