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PalDat - Palynological Database

an online publication on recent pollen

Herniaria glabra

Taxonomy: Angiospermae, Caryophyllales, Caryophyllaceae, Herniaria

Published: 2016-08-11

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: -,  polarity: -,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): aperture(s) sunken,  aperture number: number varies,  aperture type: poroid,  aperture condition: poroidate,  aperture peculiarities: aperture membrane ornamented, pantoaperturate

Ornamentation and Structure

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

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: polysaccharide vesicles,  cell number: 3-celled,  Ubisch bodies: present

Annotations

number of apertures 4 to 6; shape in dry condition in case of 6 apertures cube-like

Author(s) of diagnosis: Bombosi, Paula

Pictures

flower(s)

1. flower(s)

acetolyzed pollen

2. acetolyzed pollen

hydrated pollen grain

3. hydrated pollen grain

hydrated pollen grain

4. hydrated pollen grain

hydrated pollen grain

5. hydrated pollen grain

hydrated pollen grain

6. hydrated pollen grain

detail of aperture

7. detail of aperture

exine surface

8. exine surface

dry pollen grain

9. dry pollen grain

dry pollen grain

10. dry pollen grain

pollen grain in cross section

11. pollen grain in cross section

interapertural area of pollen wall, intine (I), endexine (E)

12. interapertural area of pollen wall, intine (I), endexine (E)

apertural area of pollen wall, intine (I)

13. apertural area of pollen wall, intine (I)

vegetative nucleus (asterisk) and sperm cells (arrows)

14. vegetative nucleus (asterisk) and sperm cells (arrows)

pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

15. pollen wall (bottom) and tapetum cells with Ubisch bodies (U)

Picture legend

  1. flower(s), photographer: Bombosi, P.
  2. acetolyzed pollen - dry, acetolyzed, unstained, photographer: Bombosi, P.
  3. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  4. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  5. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  6. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  7. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  8. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Bombosi, P.
  9. dry pollen grain - dry, sputter coated with gold, photographer: Bombosi, P.
  10. dry pollen grain - dry, sputter coated with gold, photographer: Bombosi, P.
  11. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.
  12. interapertural area of pollen wall, intine (I), endexine (E) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
  13. apertural area of pollen wall, intine (I) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.
  14. vegetative nucleus (asterisk) and sperm cells (arrows) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Bombosi, P.
  15. pollen wall (bottom) and tapetum cells with Ubisch bodies (U) - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Bombosi, P.

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:

Bombosi P. 2016. Herniaria glabra. In: PalDat - A palynological database. https://www.paldat.org/pub/Herniaria_glabra/301317;jsessionid=4ED02E65EAE7F0C08C249B79843BB82A; accessed 2018-11-15

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