PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Catalpa bungei

Taxonomy: Angiospermae, Lamiales, Bignoniaceae, Catalpa

Published: 2021-01-18

Pollen Description

Shape, Size and Aperture

pollen unit: tetrad,  dispersal unit and peculiarities: tetrad decussate, tetrad tetragonal, tetrad tetrahedral, tetrad planar,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): 51-100 µm,  longest diameter in equatorial or polar view (LM): 51-100 µm,  pollen class: clypeate,  polarity: heteropolar,  P/E-ratio: -,  shape: no suitable term,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): no suitable term,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): no suitable term,  aperture number: none,  aperture type: -,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: reticulate,  nexine: -,  sexine: -,  SEMornamentation SEM: reticulate,  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

4. hydrated pollen

tetrads

5. tetrads

tetrahedral tetrad

6. tetrahedral tetrad

planar tetrad

7. planar tetrad

pollen surface

8. pollen surface

exine surface

9. exine surface

dry tetrads

10. dry tetrads

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 - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. tetrads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. tetrahedral tetrad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. planar tetrad - 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. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry tetrads - dry, 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., Heigl H. 2021. Catalpa bungei. In: PalDat - A palynological database. https://www.paldat.org/pub/Catalpa_bungei/305012;jsessionid=98DB34A55C7717EC5CED9F4E42BDC75D; accessed 2021-01-19

Previous Publications