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PalDat - Palynological Database

an online publication on recent pollen

Iris pumila

Taxonomy: Spermatophyta, Liliales, Iridaceae, Iris

Published: 2005-06-01

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: -,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 1,  aperture type: -,  aperture condition: sulcate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

LM  ornamentation LM: echinate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: clavate,  suprasculpture SEM: -,  TEM  tectum: atectate,  infratectum: absent,  foot layer: continuous,  endexine: compact-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: lipids,  cell number: 2-celled,  Ubisch bodies: absent

Annotations: The shape of dry pollen grains is boat shaped or often more irregular.

Author(s) of diagnosis: Loos, C.; Halbritter, H.

Pictures

flower(s)

1. flower(s)

polar view,upper focus

2. polar view, upper focus

optical section

3. optical section

polar view,lower focus

4. polar view, lower focus

pollen grain with generative cell (asterisk)

5. pollen grain with generative cell (asterisk)

polar view (distal)

6. polar view (distal)

polar view (proximal)

7. polar view (proximal)

equatorial view

8. equatorial view

sulcus border

9. sulcus border

exine surface

10. exine surface

exine surface

11. exine surface

dry pollen grains

12. dry pollen grains

pollen grain in cross section

13. pollen grain in cross section

interapertural area of pollen wall

14. interapertural area of pollen wall

aperture

15. aperture

pollen wall at transition of aperture and interapertural area

16. pollen wall at transition of aperture and interapertural area

vegetative nucleus

17. vegetative nucleus

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. polar view, upper focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  3. optical section - fresh, acetolyzed, unstained, photographer: Loos, C.
  4. polar view, lower focus - fresh, acetolyzed, unstained, photographer: Loos, C.
  5. pollen grain with generative cell (asterisk) - fixed, glutaraldehyde, aceto-carmine, photographer: Loos, C.
  6. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. sulcus border - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  13. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  14. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  15. aperture - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  16. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.
  17. vegetative nucleus - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Loos, C.

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

Copyright and Citation

Cite this publication as:

Loos C., Halbritter H. 2005. Iris pumila. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Iris_pumila/101632;jsessionid=D1FCCD1A8F8208CC0CDDD7FB4909F12D; accessed 2025-01-26

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