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an online publication on recent pollen

Viburnum utile

Taxonomy: Angiospermae, Dipsacales, Adoxaceae, Viburnum

Published: 2016-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colporate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, free-standing columellae,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

aspect of Viburnum utile

1. aspect of Viburnum utile

flowers of Viburnum utile

2. flowers of Viburnum utile

hydrated pollen grains

3. hydrated pollen grains

polar view

4. polar view

oblique view

5. oblique view

equatorial view

6. equatorial view

aperture

7. aperture

exine surface

8. exine surface

polar area

9. polar area

dry pollen grains

10. dry pollen grains

Ubisch bodies on inner anther wall

11. Ubisch bodies on inner anther wall

Picture legend

  1. aspect of Viburnum utile, photographer: Buchner, R.
  2. flowers of Viburnum utile, photographer: Buchner, R.
  3. hydrated pollen grains - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  4. polar view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  5. oblique view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  6. equatorial view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  7. aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  8. exine surface - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  9. polar area - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  10. dry pollen grains - dry, photographer: Halbritter, H.
  11. Ubisch bodies on inner anther wall - fresh, rehydration (water) & DMP & critical point dried, 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., Buchner R. 2016. Viburnum utile. In: PalDat - A palynological database. https://www.paldat.org/pub/Viburnum_utile/301126;jsessionid=9B43A88211D4E4AF27BC4D6D1D2970E3; accessed 2019-11-17

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