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PalDat - Palynological Database

an online publication on recent pollen

Convolvulus tricolor

Taxonomy: Angiospermae, Solanales, Convolvulaceae, Convolvulus

Published: 2016-11-29

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: colpate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): prolate,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate, microechinate,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: spongy-continuous,  intine: monolayered,  wall peculiarities: -

Miscellaneous

pollen coatings: pollenkitt, primexine matrix,  reserves in cytoplasm: -,  cell number: 2-celled,  Ubisch bodies: present

Annotations

endexine extremely thin

Author(s) of diagnosis: Halbritter, Heidemarie; Weber, Martina

Pictures

flower(s)

1. flower(s)

polar view

2. polar view

equatorial view

3. equatorial view

aperture

4. aperture

detail of aperture

5. detail of aperture

exine surface

6. exine surface

dry pollen grain

7. dry pollen grain

pollen wall; infratectum filled with primexine matrix (asterisks) and covered by pollenkitt

8. pollen wall; infratectum filled with primexine matrix (asterisks) and covered by pollenkitt

aperture

9. aperture

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  8. pollen wall; infratectum filled with primexine matrix (asterisks) and covered by pollenkitt - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.
  9. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Weber, M.

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., Weber M. 2016. Convolvulus tricolor. In: PalDat - A palynological database. https://www.paldat.org/pub/Convolvulus_tricolor/302519;jsessionid=7BE54E3D09993F8BC46E7CC154E7EA87; accessed 2018-11-14

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