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PalDat - Palynological Database

an online publication on recent pollen

Agapetes macrantha

Taxonomy: Angiospermae, Ericales, Ericaceae, Agapetes

Published: 2016-12-04

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  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: tetrad,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  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: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: fossulate, perforate, psilate, microrugulate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: 1 monad of tetrads aborted, thus forming pseudotriads, some pseudodyads as well; tenuitates in equatorial region

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

pseudotriads

2. pseudotriads

pseudotriad

3. pseudotriad

pseudotriad with aborted monad

4. pseudotriad with aborted monad

pseudotriads

5. pseudotriads

apertures

6. apertures

tenuitas

7. tenuitas

exine surface (polar area)

8. exine surface (polar area)

dry pseudotriads

9. dry pseudotriads

Picture legend

  1. flower(s), photographer: Buchner, R.
  2. pseudotriads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. pseudotriad - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Halbritter, H.
  4. pseudotriad with aborted monad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. pseudotriads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. apertures - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. tenuitas - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface (polar area) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pseudotriads - 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., Buchner R. 2016. Agapetes macrantha. In: PalDat - A palynological database. https://www.paldat.org/pub/Agapetes_macrantha/302689; accessed 2024-11-10

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