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PalDat - Palynological Database

an online publication on recent pollen

Drosera aliciae

Taxonomy: Angiospermae, Caryophyllales, Droseraceae, Drosera

Published: 2016-12-27

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: -,  shape: -,  outline in polar view: -,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: porus,  aperture condition: porate, stephanoporate,  aperture peculiarities: stephanoaperturate

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: echinate, microclavate,  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, H.; Halbritter, Heidemarie

Pictures

aspect

1. aspect

flower(s)

2. flower(s)

hydrated tetrad

3. hydrated tetrad

intine protrusions indicating the apertures

4. intine protrusions indicating the apertures

exine surface

5. exine surface

dry tetrads

6. dry tetrads

Ubisch bodies on inner anther wall

7. Ubisch bodies on inner anther wall

Picture legend

  1. aspect, photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. hydrated tetrad - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. intine protrusions indicating the apertures - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
  7. Ubisch bodies on inner anther wall - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Halbritter H, Hesse M, Weber, M (2012) The unique design of pollen tetrads in Dionaea and Drosera Grana 51: 148-157
  • 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. Drosera aliciae. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Drosera_aliciae/302855;jsessionid=62BA764CD017B5B2485B316862F8C792; accessed 2025-01-25

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