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PalDat - Palynological Database

an online publication on recent pollen

Scilla drunensis

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): large (51-100 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)

polar view (distal)

4. 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 slightly oblique polar view (distal)

8. dry pollen grain in slightly oblique polar view (distal)

dry pollen grain in polar view (distal)

9. dry pollen grain in polar view (distal)

pollen wall at transition of aperture and interapertural area

10. pollen wall at transition of aperture and interapertural area

interapertural area of pollen wall

11. interapertural area of pollen wall

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. 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 slightly oblique polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  9. dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  10. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Aktuna, G.
  11. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-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 drunensis. In: PalDat - A palynological database. https://www.paldat.org/pub/Scilla_drunensis/301601;jsessionid=D5629A861BF2CFEA2984D93CBB6C9B5A; accessed 2019-08-20

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