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PalDat - Palynological Database

an online publication on recent pollen

Cucurbita maxima

Taxonomy: Angiospermae, Cucurbitales, Cucurbitaceae, Cucurbita

Annotations: Cucurbita maxima var. "Red kuri"

Published: 2022-10-17

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very large (>100 µm),  size of hydrated pollen (LM): >100 µm,  shortest polar axis in equatorial view (LM): >100 µm,  longest polar axis in equatorial view (LM): >100 µm,  shortest diameter in equatorial or polar view (LM): >100 µm,  longest diameter in equatorial or polar view (LM): >100 µm,  pollen class: porate,  polarity: -,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: >6,  aperture type: porus,  aperture condition: pantoporate, porate,  aperture peculiarities: operculum, pantoaperturate

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Koelzer, Karen

Pictures

hydrated pollen

1. hydrated pollen

hydrated pollen,aperture with operculum

2. hydrated pollen, aperture with operculum

hydrated pollen,aperture

3. hydrated pollen, aperture

hydrated pollen

4. hydrated pollen

hydrated pollen,aperture with operculum

5. hydrated pollen, aperture with operculum

hydrated pollen

6. hydrated pollen

hydrated pollen

7. hydrated pollen

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

hydrated pollen

10. hydrated pollen

Picture legend

  1. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  2. hydrated pollen, aperture with operculum - fresh, glycerine, unstained, photographer: Koelzer, K.
  3. hydrated pollen, aperture - fresh, glycerine, unstained, photographer: Koelzer, K.
  4. hydrated pollen - fresh, glycerine, unstained, photographer: Koelzer, K.
  5. hydrated pollen, aperture with operculum - fresh, glycerine, unstained, photographer: Koelzer, K.
  6. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  7. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  8. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  9. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  10. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.

Literature

    Copyright and Citation

    Cite this publication as:

    Koelzer K. 2022. Cucurbita maxima. In: PalDat - A palynological database. https://www.paldat.org/pub/Cucurbita_maxima/306594;jsessionid=398CE3BA143C4781C6F466B621D3C66D; accessed 2024-03-28