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PalDat - Palynological Database

an online publication on recent pollen

Erica tetralix

Taxonomy: Angiospermae, Ericales, Ericaceae, Erica

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Erica-tetralix.htm

Published: 2020-12-07

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): 36-40 µm,  longest polar axis in equatorial view (LM): 36-40 µm,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: tetrad,  polarity: heteropolar,  P/E-ratio: -,  shape: -,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): interapertural area sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: tricolporate, colporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

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

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated tetrad

5. hydrated tetrad

hydrated tetrad

6. hydrated tetrad

connection between adjacent monads

7. connection between adjacent monads

apertures

8. apertures

exine surface

9. exine surface

polar area

10. polar area

dry tetrads

11. dry tetrads

Ubisch bodies on inner anther wall

12. Ubisch bodies on inner anther wall

Picture legend

  1. flower(s), photographer: Buchner, R.
  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. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. connection between adjacent monads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. apertures - 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. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
  12. 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., Heigl H., Buchner R. 2020. Erica tetralix. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Erica_tetralix/304301;jsessionid=12C88E0527C81D1AF2F6676DBB2ABB1A; accessed 2025-01-10

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