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PalDat - Palynological Database

an online publication on recent pollen

Helianthemum syriacum

Taxonomy: Angiospermae, Malvales, Cistaceae, Helianthemum

Published: 2016-11-29

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): -,  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: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  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: striato-reticulate,  suprasculpture SEM: -,  TEMtectum: -,  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

Pictures

hydrated pollen grains

1. hydrated pollen grains

polar view

2. polar view

equatorial view

3. equatorial view

oblique view

4. oblique view

aperture

5. aperture

detail of aperture

6. detail of aperture

exine surface

7. exine surface

polar area

8. polar area

dry pollen grains

9. dry pollen grains

Picture legend

  1. hydrated pollen grains - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  2. polar view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  3. equatorial view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  4. oblique view - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  5. aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  6. detail of aperture - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  7. exine surface - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  8. polar area - fresh, rehydration (water) & DMP & critical point dried, photographer: Halbritter, H.
  9. dry pollen grains - dry, 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. Helianthemum syriacum. In: PalDat - A palynological database. https://www.paldat.org/pub/Helianthemum_syriacum/302504; accessed 2024-10-31

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