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PalDat - Palynological Database

an online publication on recent pollen

Lotus maritimus

Taxonomy: Angiospermae, Fabales, Fabaceae, Lotus

Links: http://flora.nhm-wien.ac.at/seiten-arten/lotus-maritimus.htm

Published: 2021-02-23

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): 16-20 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): equatorial,  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: colporus,  aperture condition: colporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: psilate,  nexine: -,  sexine: -,  SEMornamentation SEM: psilate, perforate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: columellate,  foot layer: absent,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Loos, Claudia; Auer, Waltraud

Pictures

flower(s)

1. flower(s)

equatorial view

2. equatorial view

pollen grain with generative cell (asterisk)

3. pollen grain with generative cell (asterisk)

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

hydrated pollen

6. hydrated pollen

polar view

7. polar view

equatorial view

8. equatorial view

detail of aperture

9. detail of aperture

exine surface

10. exine surface

polar view (dry pollen grain)

11. polar view (dry pollen grain)

dry pollen grain in equatorial view

12. dry pollen grain in equatorial view

pollen grain in cross section

13. pollen grain in cross section

interapertural area of pollen wall

14. interapertural area of pollen wall

apertural area of pollen wall

15. apertural area of pollen wall

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. equatorial view - fresh, acetolyzed, unstained, photographer: Loos, C.
  3. pollen grain with generative cell (asterisk) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  4. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  6. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  7. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  9. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  10. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Loos, C.
  11. polar view (dry pollen grain) - dry, sputter coated with gold, photographer: Loos, C.
  12. dry pollen grain in equatorial view - dry, sputter coated with gold, photographer: Loos, C.
  13. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  14. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.
  15. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Loos, C.

Literature

  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • 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:

Loos C., Auer W., Halbritter H. 2021. Lotus maritimus. In: PalDat - A palynological database. https://www.paldat.org/pub/Lotus_maritimus/305410;jsessionid=9CEEB13A672B9B13501028DF957356BE; accessed 2021-07-29

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