Forgot your password?
 
 
PalDat Logo

PalDat - Palynological Database

an online publication on recent pollen

Crinum augustum

Taxonomy: Angiospermae, Asparagales, Amaryllidaceae, Crinum

Published: 2016-10-18

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: isopolar,  shape: oblate,  outline in polar view: elliptic,  shape (dry pollen): oblate,  outline in polar view (dry pollen): no suitable term,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 2,  aperture type: sulcus,  aperture condition: sulcate, disulcate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations

the 2 apertures are situated in the equator and parallel to the equator; therefore the aperture condition is disulcate and not dicolpate; shape in hydrated conditiion oblate to spheroidal

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flowers of Crinum angustum

1. flowers of Crinum angustum

oblique view

2. oblique view

equatorial view

3. equatorial view

aperture detail

4. aperture detail

exine surface

5. exine surface

dry pollen

6. dry pollen

Picture legend

  1. flowers of Crinum angustum, photographer: Halbritter, H.
  2. oblique view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. aperture detail - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry pollen - 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. 2016. Crinum augustum. In: PalDat - A palynological database. https://www.paldat.org/pub/Crinum_augustum/301582;jsessionid=CDD74E1592351102C1ADA819356C578A; accessed 2018-11-15

Previous Publications