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PalDat - Palynological Database

an online publication on recent pollen

Broussonetia papyrifera

Taxonomy: Angiospermae, Rosales, Moraceae, Broussonetia

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Broussonetia-papyrifera.htm

Published: 2021-03-24

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): 11-15 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 11-15 µm,  longest diameter in equatorial or polar view (LM): 11-15 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 2,  aperture type: porus,  aperture condition: diporate, porate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

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

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

pollen grains in overview

5. pollen grains in overview

polar view

6. polar view

equatorial view

7. equatorial view

aperture

8. aperture

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

Picture legend

  1. inflorescence(s), photographer: Halbritter, H.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. pollen grains in overview - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. 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., Auer W. 2021. Broussonetia papyrifera. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Broussonetia_papyrifera/305581; accessed 2025-04-28

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