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PalDat - Palynological Database

an online publication on recent pollen

Blackstonia perfoliata

Taxonomy: Angiospermae, Gentianales, Gentianaceae, Blackstonia

Links: http://flora.nhm-wien.ac.at/seiten-arten/blackstonia-perfoliata.htm

Published: 2020-12-07

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): 21-25 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: margo

Ornamentation and Structure

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

Miscellaneous

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

Annotations: short instant pollen tubes

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut

Pictures

flower(s)

1. flower(s)

flower(s)

2. flower(s)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

polar view

6. polar view

equatorial view

7. equatorial view

oblique view

8. oblique view

oblique view

9. oblique view

aperture

10. aperture

exine surface

11. exine surface

polar view

12. polar view

dry pollen grains

13. dry pollen grains

Picture legend

  1. flower(s), photographer: Svojtka, M.
  2. flower(s), photographer: Svojtka, M.
  3. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. oblique view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  12. polar view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  13. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Heigl H., Svojtka M. 2020. Blackstonia perfoliata. In: PalDat - A palynological database. https://www.paldat.org/pub/Blackstonia_perfoliata/304339;jsessionid=006A3AB8880BF02F1E05621ED202C71B; accessed 2021-09-18

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