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PalDat - Palynological Database

an online publication on recent pollen

Brunnera macrophylla

Taxonomy: Angiospermae, unplaced, Boraginaceae, Brunnera

Published: 2023-12-30

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): <10 µm, 11-15 µm,  shortest polar axis in equatorial view (LM): <10 µm,  longest polar axis in equatorial view (LM): 11-15 µm,  shortest diameter in equatorial or polar view (LM): <10 µm,  longest diameter in equatorial or polar view (LM): 11-15 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): equatorial,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 4,  aperture type: colporus,  aperture condition: colporate, tetracolporate,  aperture peculiarities: margo

Ornamentation and Structure

LMornamentation LM: psilate, perforate,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate, reticulate, psilate,  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; Koelzer, Karen

Pictures

flower(s)

1. flower(s)

hydrated pollen,equatorial view

2. hydrated pollen, equatorial view

hydrated pollen,equatorial view

3. hydrated pollen, equatorial view

hydrated pollen,equatorial view

4. hydrated pollen, equatorial view

hydrated pollen,polar view

5. hydrated pollen, polar view

hydrated pollen,equatorial view

6. hydrated pollen, equatorial view

polar view

7. polar view

equatorial view

8. equatorial view

aperture

9. aperture

polar area

10. polar area

dry pollen grains

11. dry pollen grains

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated pollen, equatorial view - fresh, glycerine gelatine, unstained, photographer: Koelzer, K.
  3. hydrated pollen, equatorial view - fresh, glycerine gelatine, unstained, photographer: Koelzer, K.
  4. hydrated pollen, equatorial view - fresh, glycerine gelatine, unstained, photographer: Koelzer, K.
  5. hydrated pollen, polar view - fresh, glycerine gelatine, unstained, photographer: Koelzer, K.
  6. hydrated pollen, equatorial view - fresh, glycerine gelatine, basic fuchsin, photographer: Koelzer, K.
  7. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Vancheri D, Tetamo A, Reale S, Oliveri E, Ciaccio G (2019) Melissopalinological study of Sicilian honey by morphological and molecoular approach Biodiversity Journal 10: 329-336
  • 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., Koelzer K. 2023. Brunnera macrophylla. In: PalDat - A palynological database. https://www.paldat.org/pub/Brunnera_macrophylla/306649;jsessionid=38C48B9047E769A7B394794AD1166653; accessed 2024-03-29

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