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PalDat - Palynological Database

an online publication on recent pollen

Daphne cneorum

Taxonomy: Spermatophyta, Thymelaeales, Thymelaeaceae, Daphne

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: -,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): -,  aperture number: >6,  aperture type: -,  aperture condition: porate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations: The dry pollen is only slightly infolded or cup-shaped.

Author(s) of diagnosis: Halbritter, H.

Pictures

flower(s)

1. flower(s)

hydrated pollen grain

2. hydrated pollen grain

aperture

3. aperture

exine surface

4. exine surface

dry pollen grains

5. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. dry pollen grains - 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

Copyright and Citation

Cite this publication as:

Halbritter H. 2005. Daphne cneorum. In: PalDat - A palynological database. https://www.paldat.org/pub/Daphne_cneorum/113629;jsessionid=2BF5CEF46C6162598F7AC625E2092CE1; accessed 2024-04-24

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