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PalDat - Palynological Database

an online publication on recent pollen

Thunbergia alata

Taxonomy: Angiospermae, Lamiales, Acanthaceae, Thunbergia

Published: 2016-09-26

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: spiraperturate,  polarity: -,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): isodiametric,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: spiral aperture(s),  aperture condition: spiraperturate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: fossulate, microgemmate, rugulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen grain

1. hydrated pollen grain

hydrated pollen grain

2. hydrated pollen grain

detail of aperture

3. detail of aperture

exine surface

4. exine surface

exine surface

5. exine surface

dry pollen grains

6. dry pollen grains

Picture legend

  1. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. 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

Copyright and Citation

Cite this publication as:

Halbritter H. 2016. Thunbergia alata. In: PalDat - A palynological database. https://www.paldat.org/pub/Thunbergia_alata/301447;jsessionid=77B4237A3550E4E4664EB9D65986D418; accessed 2018-11-18

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