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PalDat - Palynological Database

an online publication on recent pollen

Dionaea muscipula

Taxonomy: Angiospermae, Caryophyllales, Droseraceae, Dionaea

Published: 2016-11-29

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad,  size (pollen unit): large (51-100 µm),  pollen class: tetrad, porate,  polarity: heteropolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: >6,  aperture type: porus,  aperture condition: porate,  aperture peculiarities: stephanoaperturate, operculum

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: gemmate, clavate,  TEMtectum: atectate,  infratectum: absent,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Hesse, Michael

Pictures

flower(s)

1. flower(s)

hydrated tetrad

2. hydrated tetrad

hydrated tetrad

3. hydrated tetrad

apertures

4. apertures

aperture with operculum

5. aperture with operculum

exine surface (acetolysed)

6. exine surface (acetolysed)

exine surface (acetolysed)

7. exine surface (acetolysed)

dry tetrads

8. dry tetrads

monads in cross section (protrusions with operculum marked by asterisk)

9. monads in cross section (protrusions with operculum marked by asterisk)

detail of aperture (protrusion) with operculum and thick intine

10. detail of aperture (protrusion) with operculum and thick intine

Ubisch bodies (arrows) and pollenkitt near the locular wall

11. Ubisch bodies (arrows) and pollenkitt near the locular wall

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. apertures - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. aperture with operculum - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface (acetolysed) - fresh, acetolyzed, photographer: Halbritter, H.
  7. exine surface (acetolysed) - fresh, acetolyzed, photographer: Halbritter, H.
  8. dry tetrads - dry, sputter coated with gold, photographer: Halbritter, H.
  9. monads in cross section (protrusions with operculum marked by asterisk) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Hesse, M.
  10. detail of aperture (protrusion) with operculum and thick intine - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Hesse, M.
  11. Ubisch bodies (arrows) and pollenkitt near the locular wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Hesse, M.

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., Hesse M. 2016. Dionaea muscipula. In: PalDat - A palynological database. https://www.paldat.org/pub/Dionaea_muscipula/302521;jsessionid=D887CC6F7EB3182A9B47E40EE39B2461; accessed 2018-11-14

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