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PalDat - Palynological Database

an online publication on recent pollen

Amaranthus retroflexus

Taxonomy: Angiospermae, Caryophyllales, Amaranthaceae, Amaranthus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Amaranthus-retroflexus.htm

Published: 2020-10-28

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): 26-30 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 26-30 µm,  longest diameter in equatorial or polar view (LM): 26-30 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): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: >6,  aperture type: porus,  aperture condition: pantoporate, porate,  aperture peculiarities: pantoaperturate, aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: scabrate, verrucate, gemmate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: perforate, microechinate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: dry pollen irregularly infolded or cup-shaped

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

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

hydrated Pollen

3. hydrated Pollen

hydrated Pollen

4. hydrated Pollen

hydrated Pollen

5. hydrated Pollen

hydrated pollen grains

6. hydrated pollen grains

hydrated pollen grain

7. hydrated pollen grain

aperture

8. aperture

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

locular wall with Ubisch bodies

11. locular wall with Ubisch bodies

Ubisch bodies on inner anther wall

12. Ubisch bodies on inner anther wall

Picture legend

  1. habitus, photographer: Svojtka, M.
  2. flower(s), photographer: Svojtka, M.
  3. hydrated Pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated Pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. hydrated pollen grains - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. hydrated pollen grain - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  11. locular wall with Ubisch bodies - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

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Copyright and Citation

Cite this publication as:

Halbritter H., Heigl H., Svojtka M. 2020. Amaranthus retroflexus. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Amaranthus_retroflexus/303802;jsessionid=73649AAC62C4786614FB74AD140AD861; accessed 2025-01-10

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