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PalDat - Palynological Database

an online publication on recent pollen

Iris graeberiana

Taxonomy: Angiospermae, Asparagales, Iridaceae, Iris

Published: 2016-11-18

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 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: clypeate,  polarity: isopolar,  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): not infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: free-standing columellae, clypeate, reticulate,  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)

inflorescence(s)

2. inflorescence(s)

pollen grains in anther

3. pollen grains in anther

hydrated pollen grain

4. hydrated pollen grain

detail of exine surface

5. detail of exine surface

detail of exine surface

6. detail of exine surface

detail of exine surface

7. detail of exine surface

dry pollen grains

8. dry pollen grains

exine surface of dry pollen grain

9. exine surface of dry pollen grain

Ubisch bodies on inner anther wall

10. Ubisch bodies on inner anther wall

Picture legend

  1. inflorescence(s), photographer: Buchner, R.
  2. inflorescence(s), photographer: Buchner, R.
  3. pollen grains in anther - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. detail of exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. detail of exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. detail of exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  9. exine surface of dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  10. Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

  • Mitić B, Halbritter H, Šoštarić R, Nikolić T (2013) Pollen morphology of the genus Iris L. (Iridaceae) from Croatia and surrounding area: taxonomic and phylogenetic implications Plant Systematics and Evolution 299: 271-288
  • 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. Iris graeberiana. In: PalDat - A palynological database. https://www.paldat.org/pub/Iris_graeberiana/302287;jsessionid=DF792BB2F4039C3887F298230B7F7B61; accessed 2024-04-18

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