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PalDat - Palynological Database

an online publication on recent pollen

Hedyosmum scaberrimum

Taxonomy: Angiospermae, Chloranthales, Chloranthaceae, Hedyosmum

Published: 2016-03-12

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): -,  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: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate, polychotomosulcate,  aperture peculiarities: polychotomosulcus

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: reticulate, 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: sulcus mostly 5-radiate

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

flower(s)

2. flower(s)

flower(s)

3. flower(s)

hydrated pollen

4. hydrated pollen

polar distal view

5. polar distal view

polar proximal view

6. polar proximal view

oblique equatorial view

7. oblique equatorial view

aperture detail

8. aperture detail

exine surface

9. exine surface

dry pollen

10. dry pollen

dry pollen,polar distal view

11. dry pollen, polar distal view

Ubisch bodies on locule wall

12. Ubisch bodies on locule wall

Picture legend

  1. inflorescence(s), photographer: Berger, A.
  2. flower(s), photographer: Berger, A.
  3. flower(s), photographer: Berger, A.
  4. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar proximal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. oblique equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture detail - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen, polar distal view - dry, sputter coated with gold, photographer: Halbritter, H.
  12. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & 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., Berger A. 2016. Hedyosmum scaberrimum. In: PalDat - A palynological database. https://www.paldat.org/pub/Hedyosmum_scaberrimum/300628;jsessionid=056A2C7E2B6263019CFFE21E66A5D953; accessed 2024-04-30