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PalDat - Palynological Database

an online publication on recent pollen

Agrostemma githago

Taxonomy: Angiospermae, Caryophyllales, Caryophyllaceae, Agrostemma

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Agrostemma-githago.htm

Published: 2020-10-28

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: operculum, pantoaperturate

Ornamentation and Structure

LMornamentation LM: verrucate, scabrate, gemmate,  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: present

Annotations: the dry pollen is not infolded but also often slightly cup-shaped

Author(s) of diagnosis: Halbritter, Heidemarie; Auer, Waltraud

Pictures

flower(s)

1. flower(s)

hydrated Pollen

2. hydrated Pollen

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

hydrated pollen grain

5. hydrated pollen grain

apertures and exine surface

6. apertures and exine surface

dry pollen grains

7. dry pollen grains

apertures and exine surface of dry pollen grain

8. apertures and exine surface of dry pollen grain

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated Pollen - fresh, glycerine, unstained, photographer: Auer, W.
  3. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. apertures and exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  8. apertures and exine surface of dry pollen grain - dry, 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., Auer W. 2020. Agrostemma githago. In: PalDat - A palynological database. https://www.paldat.org/pub/Agrostemma_githago/303823;jsessionid=69A16352C29DF7AB1D52C94A13E33713; accessed 2024-03-28

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