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PalDat - Palynological Database

an online publication on recent pollen

Rhodothamnus chamaecistus

Taxonomy: Angiospermae, Ericales, Ericaceae, Rhodothamnus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Rhodothamnus-chamaecistus.htm

Published: 2021-01-04

Pollen Description

Shape, Size and Aperture

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

Ornamentation and Structure

LM  ornamentation LM: psilate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: fossulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: viscin threads,  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 tetrads with viscin threads

5. hydrated tetrads with viscin threads

hydrated tetrad

6. hydrated tetrad

aperture

7. aperture

exine surface

8. exine surface

viscin thread on pollen surface

9. viscin thread on pollen surface

dry tetrads

10. dry tetrads

tapetum with Ubisch bodies

11. tapetum with Ubisch bodies

Picture legend

  1. flower(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. hydrated tetrads with viscin threads - 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. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. viscin thread on pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
  11. tapetum with Ubisch bodies - 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. 2021. Rhodothamnus chamaecistus. In: PalDat - A palynological database. https://www.paldat.org/pub/Rhodothamnus_chamaecistus/304868;jsessionid=752F5C8E4B37A3C38EE72C6B938A2DCD; accessed 2024-04-27

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