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PalDat - Palynological Database

an online publication on recent pollen

Catalpa ovata

Taxonomy: Angiospermae, Lamiales, Bignoniaceae, Catalpa

Published: 2016-09-22

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad tetrahedral,  size (pollen unit): medium-sized (26-50 µm),  pollen class: clypeate,  polarity: heteropolar,  shape: irregular,  outline in polar view: circular,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated tetrad

1. hydrated tetrad

exine surface

2. exine surface

Picture legend

  1. hydrated tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

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. 2016. Catalpa ovata. In: PalDat - A palynological database. https://www.paldat.org/pub/Catalpa_ovata/301425;jsessionid=D9CE1ADC340D9AAC5B25170ADAF66956; accessed 2018-11-14

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