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PalDat - Palynological Database

an online publication on recent pollen

Scilla bifolia

Taxonomy: Angiospermae, Asparagales, Asparagaceae, Scilla

Published: 2016-10-18

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: sulcate,  polarity: heteropolar,  shape: oblate,  outline in polar view: elliptic,  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

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, perforate,  TEMtectum: semitectate,  infratectum: columellate,  foot layer: discontinuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Aktuna, Gabriela

Pictures

flower(s)

1. flower(s)

pollen grain after acetolysis

2. pollen grain after acetolysis

generative cell (asterisk)

3. generative cell (asterisk)

slightly oblique polar view (distal)

4. slightly oblique polar view (distal)

polar view (proximal)

5. polar view (proximal)

detail of sulcus

6. detail of sulcus

exine surface

7. exine surface

dry pollen grain in polar view (distal)

8. dry pollen grain in polar view (distal)

dry pollen grain in polar view (proximal)

9. dry pollen grain in polar view (proximal)

interapertural area of pollen wall

10. interapertural area of pollen wall

apertural area of pollen wall

11. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

12. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flower(s), photographer: Aktuna, G.
  2. pollen grain after acetolysis - fresh, acetolyzed, unstained, photographer: Aktuna, G.
  3. generative cell (asterisk) - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
  4. slightly oblique polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  5. polar view (proximal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  6. detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  7. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  8. dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  9. dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
  10. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Aktuna, G.
  11. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Aktuna, G.
  12. pollen wall at transition of aperture and interapertural area - 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. 2016. Scilla bifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Scilla_bifolia/301599;jsessionid=5F5F3EF018D9A7E66FB87EF2EF2BD1FA; accessed 2018-11-15

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