PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Pinus heldreichii

Taxonomy: Gymnospermae, Pinales, Pinaceae, Pinus

Published: 2021-04-14

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): 41-50 µm,  longest polar axis in equatorial view (LM): 51-100 µm,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: saccate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: leptoma,  aperture condition: -,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: scabrate, verrucate,  nexine: -,  sexine: -,  SEMornamentation SEM: verrucate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: saccus,  supratectal element: -

Miscellaneous

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

Annotations: bisaccate

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut

Pictures

male cone(s)

1. male cone(s)

polar view,hydrated pollen

2. polar view, hydrated pollen

polar view,hydrated pollen

3. polar view, hydrated pollen

equatorial view,hydrated pollen

4. equatorial view, hydrated pollen

equatorial view,hydrated pollen

5. equatorial view, hydrated pollen

equatorial view,hydrated pollen

6. equatorial view, hydrated pollen

polar view,hydrated pollen

7. polar view, hydrated pollen

equatorial view,hydrated pollen

8. equatorial view, hydrated pollen

polar view (distal)

9. polar view (distal)

polar view (proximal)

10. polar view (proximal)

equatorial view

11. equatorial view

equatorial view

12. equatorial view

leptoma

13. leptoma

exine surface (proximal pole)

14. exine surface (proximal pole)

exine surface of saccus

15. exine surface of saccus

dry pollen grains

16. dry pollen grains

Picture legend

  1. male cone(s), photographer: Halbritter, H.
  2. polar view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. polar view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. equatorial view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  5. equatorial view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  6. equatorial view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  7. polar view, hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  8. equatorial view, hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  9. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. exine surface (proximal pole) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. exine surface of saccus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. 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. 2021. Pinus heldreichii. In: PalDat - A palynological database. https://www.paldat.org/pub/Pinus_heldreichii/305976;jsessionid=4D711D0BE5A26C33972D96658A5A3903; accessed 2024-03-28

Previous Publications