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PalDat - Palynological Database

an online publication on recent pollen

Scorzonera hispanica

Taxonomy: Angiospermae, Asterales, Asteraceae, Scorzonera

Published: 2016-04-25

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: lophate,  polarity: isopolar,  shape: spheroidal,  outline in polar view: circular,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): no suitable term,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: lophate, echinate, microreticulate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

polar view

1. polar view

detail of aperture

2. detail of aperture

polar area

3. polar area

dry pollen grains

4. dry pollen grains

exine surface of dry pollen grain

5. exine surface of dry pollen grain

Picture legend

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

Literature

  • Blackmore S (1982) A functional interpretation of Lactuceae (Compositae) pollen. Pl Syst Evol 141: 153-168
  • Blackmore S, Claugher D (1987) Observations on the substructural organisation of the exine in Fagus sylvatica L. (Fagaceae) and Scorzonera hispanica L. (Compositae: Lactuceae). Rev Palaeobot Palynol 53: 175-184
  • Claugher D (1986) Pollen wall structure, a new interpretation. Scan Electron Microscop I: 291-299
  • 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. 2016. Scorzonera hispanica. In: PalDat - A palynological database. https://www.paldat.org/pub/Scorzonera_hispanica/300863;jsessionid=8F0D97B6DF681AE23C1B544E5AB51B56; accessed 2018-11-20

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