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PalDat - Palynological Database

an online publication on recent pollen

Asparagus officinalis

Taxonomy: Spermatophyta, Asparagales, Asparagaceae, Asparagus

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 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: -,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): oblate,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: 1,  aperture type: -,  aperture condition: sulcate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: pollenkitt,  reserves in cytoplasm: lipids,  cell number: 2-celled,  Ubisch bodies: present

Annotations: Foot layer is partly interrupted. Outline dry is spindle-shaped.

Author(s) of diagnosis: Aktuna, G.

Pictures

flower(s)

1. flower(s)

pollen grain with generative cell (asterisk)

2. pollen grain with generative cell (asterisk)

slightly oblique polar view (distal)

3. slightly oblique polar view (distal)

equatorial view

4. equatorial view

detail of sulcus

5. detail of sulcus

exine surface

6. exine surface

dry pollen grain in polar view (distal)

7. dry pollen grain in polar view (distal)

dry pollen grain in polar view (proximal)

8. dry pollen grain in polar view (proximal)

pollen grains in cross section

9. pollen grains in cross section

interapertural area of pollen wall

10. interapertural area of pollen wall

apertural area of pollen wall

11. apertural area of pollen wall

pollen wall at transition of aperture and interapertural area

12. pollen wall at transition of aperture and interapertural area

Picture legend

  1. flower(s), photographer: Aktuna, G.
  2. pollen grain with generative cell (asterisk) - fixed, formalin-acetic-alcohol, aceto-carmine, photographer: Aktuna, G.
  3. slightly oblique polar view (distal) - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  4. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  5. detail of sulcus - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  6. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Aktuna, G.
  7. dry pollen grain in polar view (distal) - dry, sputter coated with gold, photographer: Aktuna, G.
  8. dry pollen grain in polar view (proximal) - dry, sputter coated with gold, photographer: Aktuna, G.
  9. pollen grains in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  10. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  11. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.
  12. pollen wall at transition of aperture and interapertural area - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Aktuna, G.

Literature

    Copyright and Citation

    Cite this publication as:

    Aktuna G. 2005. Asparagus officinalis. In: PalDat - A palynological database. https://www.paldat.org/pub/Asparagus_officinalis/100811;jsessionid=7B765E513B9299E9F1FCBA2433B4E2C2; accessed 2024-03-28

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