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an online publication on recent pollen

Pardoglossum cheirifolium

Taxonomy: Angiospermae, unplaced, Boraginaceae, Pardoglossum

Published: 2015-06-04

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: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: tricolporate, colporate, colpate,  aperture peculiarities: margo, brevicolporus, pseudocolpus, heteroaperturate, aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: psilate, perforate,  suprasculpture SEM: -,  TEMtectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: brevicolpori alternating with colpi, brevicolpi extremely short, may be also interpreted as pori

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen grains

4. hydrated pollen grains

polar view

5. polar view

polar view

6. polar view

equatorial view

7. equatorial view

equatorial view

8. equatorial view

aperture,brevicolporus

9. aperture, brevicolporus

aperture

10. aperture

pseudocolpus

11. pseudocolpus

pseudocolpus

12. pseudocolpus

detail of pseudocolpus

13. detail of pseudocolpus

exine surface

14. exine surface

polar area

15. polar area

dry pollen

16. dry pollen

Ubisch bodies on locule wall

17. Ubisch bodies on locule wall

Picture legend

  1. inflorescence(s), photographer: Weis, B.
  2. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. hydrated pollen - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. hydrated pollen grains - fresh, rehydration (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. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture, brevicolporus - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. pseudocolpus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. pseudocolpus - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. detail of pseudocolpus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  14. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  15. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  16. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  17. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Weis B. 2015. Pardoglossum cheirifolium. In: PalDat - A palynological database. https://www.paldat.org/pub/Pardoglossum_cheirifolium/300119;jsessionid=2FED6E0DF38E5FDD10EAC9E5FECA553D; accessed 2024-04-19

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