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PalDat - Palynological Database

an online publication on recent pollen

Stellaria graminea

Taxonomy: Spermatophyta, Caryophyllales, Caryophyllaceae, Stellaria

Published: 2005-06-01

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): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: -,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: >6,  aperture type: -,  aperture condition: porate,  aperture peculiarities: pantoaperturate, aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: dry pollen not or only slightly infolded

Author(s) of diagnosis: Halbritter, H.

Pictures

flower(s)

1. flower(s)

hydrated pollen grains

2. hydrated pollen grains

hydrated pollen grain

3. hydrated pollen grain

pollen surface

4. pollen surface

aperture

5. aperture

exine surface

6. exine surface

dry pollen grains

7. dry pollen grains

tapetum with Ubisch bodies

8. tapetum with Ubisch bodies

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. 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. tapetum with Ubisch bodies - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H. 2005. Stellaria graminea. In: PalDat - A palynological database. https://www.paldat.org/pub/Stellaria_graminea/107170;jsessionid=2F27FA39A9E9E9BC100E87F35DABE0A5; accessed 2024-03-28

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