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PalDat - Palynological Database

an online publication on recent pollen

Besleria laxiflora

Taxonomy: Angiospermae, Lamiales, Gesneriaceae, Besleria

Published: 2017-01-30

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: colporate,  polarity: -,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: colporus,  aperture condition: colporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Annotations

aperture condition varies from tricolporate to hexacolporate to pantocolporate; apertures often irregularly arranged

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

flower buds

2. flower buds

flower(s)

3. flower(s)

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

equatorial view,tricolporate

6. equatorial view, tricolporate

aperture

7. aperture

exine surface

8. exine surface

dry pollen

9. dry pollen

Picture legend

  1. inflorescence(s), photographer: Berger, A.
  2. flower buds, photographer: Berger, A.
  3. flower(s), photographer: Berger, A.
  4. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view, tricolporate - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen - 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., BERGER A., Besleria laxiflora. In: PalDat (2017-01-30) - a palynological database. Published on the Internet https://www.paldat.org/pub/Besleria_laxiflora/302978;jsessionid=0707B8A6ECF59578BFD788FB70ECC1A6 [accessed 2017-11-18]