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PalDat - Palynological Database

an online publication on recent pollen

Ornithogalum boucheanum

Taxonomy: Angiospermae, Asparagales, Asparagaceae, Ornithogalum

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Honorius-boucheanus.htm

Published: 2021-02-03

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): 51-100 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 51-100 µm,  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): equatorial,  P/E-ratio (dry pollen): -,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): elliptic,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: sulcus,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: reticulate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: foveolate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Author(s) of diagnosis: Aktuna, Gabriela; Auer, Waltraud

Pictures

flower(s)

1. flower(s)

generative cell (asterisk)

2. generative cell (asterisk)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

polar view (distal)

6. polar view (distal)

polar view (proximal)

7. polar view (proximal)

detail of sulcus

8. detail of sulcus

exine surface

9. exine surface

dry pollen grain in polar view (distal)

10. dry pollen grain in polar view (distal)

dry pollen grain in polar view (proximal)

11. dry pollen grain in polar view (proximal)

interapertural area of pollen wall

12. interapertural area of pollen wall

apertural area of pollen wall

13. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

14. pollen wall at transition of aperture and interapertural area

generative cell

15. generative cell

mitochondria in vegetative cytoplasm

16. mitochondria in vegetative cytoplasm

Picture legend

  1. flower(s), photographer: Aktuna, G.
  2. generative cell (asterisk) - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
  3. hydrated pollen - fresh, glycerine, unstained, photographer: Auer, W.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Auer, W.
  6. polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  7. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  8. detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  10. dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  11. dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
  12. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Aktuna, G.
  13. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  14. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  15. generative cell - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  16. mitochondria in vegetative cytoplasm - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Aktuna, G.

Literature

  • Adler W, Oswald K, Fischer R. (1994) Exkursionsflora von Österreich : 1180
  • 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:

Aktuna G., Auer W. 2021. Ornithogalum boucheanum. In: PalDat - A palynological database. https://www.paldat.org/pub/Ornithogalum_boucheanum/305100; accessed 2024-11-10

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