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PalDat - Palynological Database

an online publication on recent pollen

Pinus strobus

Taxonomy: Gymnospermae, Pinales, Pinaceae, Pinus

Published: 2016-12-16

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very large (>100 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: saccate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  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

LMornamentation LM: -,  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: present

Annotations: bisaccate

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated pollen grains

1. hydrated pollen grains

polar proximal view

2. polar proximal view

polar distal view

3. polar distal view

equatorial view

4. equatorial view

leptoma

5. leptoma

leptoma border

6. leptoma border

exine surface (cappa)

7. exine surface (cappa)

exine surface (saccus)

8. exine surface (saccus)

dry pollen grains

9. dry pollen grains

Ubisch bodies on inner anther wall

10. Ubisch bodies on inner anther wall

Picture legend

  1. hydrated pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. polar proximal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar distal view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. leptoma - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. leptoma border - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface (cappa) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface (saccus) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  10. Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & 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. 2016. Pinus strobus. In: PalDat - A palynological database. https://www.paldat.org/pub/Pinus_strobus/302841;jsessionid=6154A4252B445FD5964619B474C839B2; accessed 2021-10-17

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