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an online publication on recent pollen

Adelocaryum coelestinum

Taxonomy: Angiospermae, unplaced, Boraginaceae, Adelocaryum

Annotations: synonym: Paracaryum coelestinum

Published: 2017-03-24

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): very small (<10 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: prolate,  shape: -,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: lalongate, heteroaperturate, margo, pseudocolpus

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

oblique polar view

1. oblique polar view

2 pollen grains in equatorial view

2. 2 pollen grains in equatorial view

aperture,colporus

3. aperture, colporus

pseudocolpus

4. pseudocolpus

polar area

5. polar area

dry pollen

6. dry pollen

Ubisch bodies on locule wall

7. Ubisch bodies on locule wall

Picture legend

  1. oblique polar view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. 2 pollen grains in equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture, colporus - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. pseudocolpus - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. polar area - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  7. Ubisch bodies on locule wall - dry, 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. 2017. Adelocaryum coelestinum. In: PalDat - A palynological database. https://www.paldat.org/pub/Adelocaryum_coelestinum/303024; accessed 2024-11-01