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PalDat - Palynological Database

an online publication on recent pollen

Lapeirousia laxa

Taxonomy: Angiospermae, Asparagales, Iridaceae, Lapeirousia

Published: 2017-01-18

Pollen Description

Shape, Size and Aperture

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

Ornamentation and Structure

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

Miscellaneous

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

Annotations

sulcus covered by 2 elongated opercula with globular exine elements in between

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

hydrated and dry pollen grains

1. hydrated and dry pollen grains

slightly oblique polar view

2. slightly oblique polar view

detail of aperture

3. detail of aperture

exine surface

4. exine surface

dry pollen grain

5. dry pollen grain

Picture legend

  1. hydrated and dry pollen grains - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. slightly oblique polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. detail of aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. 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. 2017. Lapeirousia laxa. In: PalDat - A palynological database. https://www.paldat.org/pub/Lapeirousia_laxa/302969;jsessionid=71AFB2A046B7CE8ADE2E5620F08F1BF9; accessed 2018-11-15

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