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PalDat - Palynological Database

an online publication on recent pollen

Pinus mugo

Taxonomy: Gymnospermae, Pinales, Pinaceae, Pinus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Pinus-mugo.htm

Published: 2023-11-27

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): 51-100 µm,  shortest polar axis in equatorial view (LM): 36-40 µm,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: saccate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: bisaccate,  outline in polar view: no suitable term,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: leptoma,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: starch,  cell number: 3-celled,  Ubisch bodies: -

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut; Auer, Waltraud; Oberleitner, Sarah

Pictures

male cone(s)

1. male cone(s)

hydrated Pollen

2. hydrated Pollen

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

sperm cells

5. sperm cells

starch

6. starch

polar view (distal)

7. polar view (distal)

equatorial view

8. equatorial view

exine surface between the air sacs

9. exine surface between the air sacs

exine surface

10. exine surface

dry pollen grains

11. dry pollen grains

Picture legend

  1. male cone(s), photographer: Halbritter, H.
  2. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. sperm cells - fresh, unfixed, aceto-carmine, photographer: Oberleitner, S.
  6. starch - fresh, unfixed, iodine, photographer: Oberleitner, S.
  7. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface between the air sacs - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. 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., Heigl H., Auer W., Oberleitner S. 2023. Pinus mugo. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Pinus_mugo/306640;jsessionid=C813E211B774827E27CE82EAF6220424; accessed 2025-01-25

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