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an online publication on recent pollen

Ranunculus hybridus

Taxonomy: Angiospermae, Ranunculales, Ranunculaceae, Ranunculus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Ranunculus-hybridus.htm

Published: 2022-01-03

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 31-35 µm,  shortest polar axis in equatorial view (LM): 31-35 µm,  longest polar axis in equatorial view (LM): 31-35 µm,  shortest diameter in equatorial or polar view (LM): 31-35 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  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: granulate, scabrate,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

polar view,hydrated pollen

3. polar view, hydrated pollen

polar view,hydrated pollen

4. polar view, hydrated pollen

hydrated pollen

5. hydrated pollen

hydrated pollen

6. hydrated pollen

equatorial view,hydrated pollen

7. equatorial view, hydrated pollen

equatorial view,hydrated pollen

8. equatorial view, hydrated pollen

hydrated pollen

9. hydrated pollen

polar view

10. polar view

equatorial view

11. equatorial view

oblique view

12. oblique view

aperture

13. aperture

exine surface

14. exine surface

polar area

15. polar area

dry pollen

16. dry pollen

Ubisch bodies on locule wall

17. Ubisch bodies on locule wall

Picture legend

  1. habitus, photographer: Berger, A.
  2. flower(s), photographer: Berger, A.
  3. polar view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. polar view, hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  5. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  6. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  7. equatorial view, hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  8. equatorial view, hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  9. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. oblique view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  17. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

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., Heigl H., Berger A. 2022. Ranunculus hybridus. In: PalDat - A palynological database. https://www.paldat.org/pub/Ranunculus_hybridus/306473;jsessionid=BAF4AD7E319729210CC11D24D7D96AD8; accessed 2024-03-28

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