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an online publication on recent pollen

Drosera aliciae

Taxonomy: Spermatophyta, Droserales, Droseraceae, Drosera

Published: 2011-12-19

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: no suitable term,  outline in polar view: no suitable term,  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: -,  aperture condition: porate,  aperture peculiarities: stephanoaperturate

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: echinate, microclavate,  suprasculpture SEM: -,  TEMtectum: eutectate,  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.; Buchner, R.

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

Copyright and Citation

Cite this publication as:

Halbritter H., Buchner R. 2011. Drosera aliciae. In: PalDat - A palynological database. https://www.paldat.org/pub/Drosera_aliciae/205629;jsessionid=2FC9F34CF8BD91B0D05EE923CBF1906B; accessed 2024-04-26

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