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PalDat - Palynological Database

an online publication on recent pollen

Clerodendrum thomsoniae

Taxonomy: Angiospermae, Lamiales, Lamiaceae, Clerodendrum

Published: 2021-08-10

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): -,  shortest polar axis in equatorial view (LM): 51-100 µm,  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: colpate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

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

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

flower(s)

3. flower(s)

polar view

4. polar view

polar view

5. polar view

equatorial view

6. equatorial view

polar view

7. polar view

polar view

8. polar view

polar view

9. polar view

equatorial view

10. equatorial view

polar view

11. polar view

equatorial view

12. equatorial view

aperture

13. aperture

detail of aperture

14. detail of aperture

exine surface

15. exine surface

polar area

16. polar area

dry pollen grains

17. dry pollen grains

Picture legend

  1. flower(s), photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. flower(s), photographer: Buchner, R.
  4. polar view - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. polar view - fresh, glycerine, ruthenium red, photographer: Auer, W.
  6. equatorial view - fresh, glycerine, ruthenium red, photographer: Auer, W.
  7. polar view - fresh, glycerine, ruthenium red, photographer: Auer, W.
  8. polar view - fresh, glycerine, unstained, photographer: Auer, W.
  9. polar view - fresh, glycerine, unstained, photographer: Auer, W.
  10. equatorial view - fresh, glycerine, unstained, photographer: Auer, W.
  11. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  17. 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
  • Luque T, Candau P (1987) Acanthaceae, Geraniaceae, Globulariaceae, Lamiaceae, Oxalidaceae, Verbenaceae. In: Valdés B., Díez M.J., Fernández I. (eds) Atlas polínico de Andalucía occidental. Inst de Desarrollo Regional 43, Univ de Sevilla

Copyright and Citation

Cite this publication as:

Halbritter H., Auer W., Buchner R. 2021. Clerodendrum thomsoniae. In: PalDat - A palynological database. https://www.paldat.org/pub/Clerodendrum_thomsoniae/306442;jsessionid=2769C54C92056BC360784B1911B94F55; accessed 2021-10-27

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