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PalDat - Palynological Database

an online publication on recent pollen

Heliconia stricta

Taxonomy: Angiospermae, Zingiberales, Heliconiaceae, Heliconia

Published: 2016-12-02

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  pollen class: ulcerate,  polarity: heteropolar,  shape: oblate,  outline in polar view: circular,  shape (dry pollen): oblate,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: ulcus,  aperture condition: ulcerate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: psilate, microechinate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -

Miscellaneous

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

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

flower(s)

2. flower(s)

polar distal view

3. polar distal view

equatorial view (oblique)

4. equatorial view (oblique)

detail of ulcus

5. detail of ulcus

exine surface (proximal)

6. exine surface (proximal)

dry pollen grains

7. dry pollen grains

dry pollen grain

8. dry pollen grain

Picture legend

  1. inflorescence(s), photographer: Buchner, R.
  2. flower(s), photographer: Buchner, R.
  3. polar distal view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. equatorial view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. detail of ulcus - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. exine surface (proximal) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen grain - 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., Buchner R. 2016. Heliconia stricta. In: PalDat - A palynological database. https://www.paldat.org/pub/Heliconia_stricta/302657;jsessionid=56D8F9DA6C1B1F98042B136CC4B6AF21; accessed 2018-11-15

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