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PalDat - Palynological Database

an online publication on recent pollen

Rhinanthus minor

Taxonomy: Angiospermae, Lamiales, Orobanchaceae, Rhinanthus

Published: 2016-11-28

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): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate, tricolpate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: scabrate,  nexine: -,  sexine: -,  SEMornamentation SEM: microreticulate,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Loos, Claudia

Pictures

flower(s)

1. flower(s)

polar view,upper focus

2. polar view, upper focus

optical section

3. optical section

polar view,lower focus

4. polar view, lower focus

pollen grain with generative cell (asterisk)

5. pollen grain with generative cell (asterisk)

polar view

6. polar view

equatorial view

7. equatorial view

detail of aperture

8. detail of aperture

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

hydrated pollen grain

11. hydrated pollen grain

interapertural area of pollen wall

12. interapertural area of pollen wall

aperture

13. aperture

vegetative nucleus

14. vegetative nucleus

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. polar view, upper focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  3. optical section - fresh, acetolyzed, unstained, photographer: Loos, C.
  4. polar view, lower focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  5. pollen grain with generative cell (asterisk) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  8. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Loos, C.
  11. hydrated pollen grain - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  12. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  13. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  14. vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.

Literature

  • Tschermak-Woess E (1967) Über das zweikernige endopolyploide Antherentapetum von Rhinanthus. Phytomorphology 17: 188-195
  • Tschermak-Woess E, Hasitschka-Jenschke G (1963) Das Verhalten von B-Chromosomen besonderer Ausbildung in den endopolyploiden Riesenkernen des chalazalen Endospermhaustoriums von Rhinanthus. Österr Bot Z 110: 468-480
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143
  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180

Copyright and Citation

Cite this publication as:

Loos C., Svojtka M. 2016. Rhinanthus minor. In: PalDat - A palynological database. https://www.paldat.org/pub/Rhinanthus_minor/302406;jsessionid=AB90A79EBA449DF33DDB4EDF370BD3B1; accessed 2018-11-20

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