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PalDat - Palynological Database

an online publication on recent pollen

Allium senescens

Taxonomy: Angiospermae, Asparagales, Amaryllidaceae, Allium

Published: 2016-09-15

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: sulcate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: rugulate, perforate, striate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

polar distal view (oblique)

2. polar distal view (oblique)

polar proximal view

3. polar proximal view

oblique view

4. oblique view

equatorial view

5. equatorial view

detail of sulcus

6. detail of sulcus

exine surface

7. exine surface

exine surface

8. exine surface

dry pollen grains

9. dry pollen grains

Ubisch bodies on inner anther wall

10. Ubisch bodies on inner anther wall

Picture legend

  1. inflorescence(s), photographer: Buchner, R.
  2. polar distal view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polar proximal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. detail of sulcus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  10. Ubisch bodies on inner anther wall - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

  • Bogdanović S, Brullo S, Mitić B, Salmeri C (2008) A new species of Allium (Alliaceae) from Dalmatia, Croatia Botanical Journal of the Linnean Society 158: 106-114
  • 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., Buchner R. 2016. Allium senescens. In: PalDat - A palynological database. https://www.paldat.org/pub/Allium_senescens/301397; accessed 2024-11-10

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