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PalDat - Palynological Database

an online publication on recent pollen

Daphne mezereum

Taxonomy: Angiospermae, Malvales, Thymelaeaceae, Daphne

Links: http://flora.nhm-wien.ac.at/seiten-arten/daphne-mezereum.htm

Published: 2020-12-07

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): 31-35 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 26-30 µm,  longest diameter in equatorial or polar view (LM): 26-30 µm,  pollen class: porate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): spheroidal,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): not infolded,  aperture number: >6,  aperture type: porus,  aperture condition: porate, pantoporate,  aperture peculiarities: pantoaperturate

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate, microechinate, reticulum cristatum, croton pattern,  suprasculpture SEM: -,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

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

Pictures

flower(s)

1. flower(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated Pollen,hydrated pollen

4. hydrated Pollen, hydrated pollen

hydrated pollen grain

5. hydrated pollen grain

exine surface

6. exine surface

dry pollen grain

7. dry pollen grain

exine surface of dry pollen grain

8. exine surface of dry pollen grain

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated Pollen, hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.
  8. exine surface of dry pollen grain - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Garagaty-Feissly C (1969) Sur les modifications de l'ultrastructure des cellules tapetales du genre Daphne au cours du développement des grains de pollen. Bull Soc Bot Suisse 79: 221-228
  • 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., Heigl H. 2020. Daphne mezereum. In: PalDat - A palynological database. https://www.paldat.org/pub/Daphne_mezereum/304213;jsessionid=9ABAA60FE5657749D873AC9FF1256521; accessed 2021-07-27

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