Forgot your password?
 
 
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Homonoia riparia

Taxonomy: Angiospermae, Malpighiales, Euphorbiaceae, Homonoia

Published: 2017-04-11

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  pollen class: colporate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 4,  aperture type: colporus,  aperture condition: colporate, tetracolporate,  aperture peculiarities: brevicolporus

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: fossulate, microechinate, perforate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Annotations

3 apertures as well

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

habitus

1. habitus

inflorescence(s)

2. inflorescence(s)

inflorescence(s)

3. inflorescence(s)

hydrated pollen

4. hydrated pollen

polar view

5. polar view

equatorial view

6. equatorial view

oblique view,tricolporate pollen grain

7. oblique view, tricolporate pollen grain

aperture

8. aperture

exine surface

9. exine surface

exine surface

10. exine surface

dry pollen

11. dry pollen

dry pollen

12. dry pollen

Ubisch bodies on locule wall

13. Ubisch bodies on locule wall

Picture legend

  1. habitus, photographer: Weis, B.
  2. inflorescence(s), photographer: Weis, B.
  3. inflorescence(s), photographer: Weis, B.
  4. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. oblique view, tricolporate pollen grain - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - 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. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  13. 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., WEIS B., Homonoia riparia. In: PalDat (2017-04-11) - a palynological database. Published on the Internet https://www.paldat.org/pub/Homonoia_riparia/302993;jsessionid=E05B32949BE47B7FB939903F0A5810D1 [accessed 2017-08-18]