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PalDat - Palynological Database

an online publication on recent pollen

Dracunculus vulgaris

Taxonomy: Angiospermae, Alismatales, Araceae, Dracunculus

Links: http://flora.nhm-wien.ac.at/Seiten-Arten/Dracunculus-vulgaris.htm

Published: 2021-01-04

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 41-50 µm, 36-40 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 41-50 µm,  pollen class: inaperturate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: -,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): cup-shaped,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LM  ornamentation LM: psilate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: areolate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: spongy-continuous,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: polysaccharide vesicles,  cell number: -,  Ubisch bodies: -

Annotations: ektexine missing; ornamentation elements not resistant to acetolysis; shape in hydrated condition ovoid

Author(s) of diagnosis: Halbritter, Heidemarie; Weber, Martina; Heigl, Helmut

Pictures

closed spatha

1. closed spatha

detail of flower(s)

2. detail of flower(s)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

hydrated pollen grain

6. hydrated pollen grain

pollen surface

7. pollen surface

pollen surface

8. pollen surface

dry pollen grains

9. dry pollen grains

pollen wall

10. pollen wall

pollen wall

11. pollen wall

Picture legend

  1. closed spatha, photographer: Fabbro Th./ Zumbrunn Th.
  2. detail of flower(s), photographer: Fabbro Th./ Zumbrunn Th.
  3. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. pollen surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  10. pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.
  11. pollen wall - fresh, glutaraldehyde & osmium, uranyl acetate & lead citrate, photographer: Weber, M.

Literature

  • 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:

Halbritter H., Weber M., Heigl H., Fabbro Th./ Zumbrunn Th. 2021. Dracunculus vulgaris. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Dracunculus_vulgaris/304815; accessed 2025-04-28

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