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PalDat - Palynological Database

an online publication on recent pollen

Launaea angustifolia

Taxonomy: Angiospermae, Asterales, Asteraceae, Launaea

Links: https://flora.org.il/en/plants/lauang/

Published: 2021-05-07

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): 26-30 µm,  shortest polar axis in equatorial view (LM): 21-25 µm,  longest polar axis in equatorial view (LM): 26-30 µm,  shortest diameter in equatorial or polar view (LM): 21-25 µm,  longest diameter in equatorial or polar view (LM): 31-35 µm,  pollen class: lophate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: 3-celled,  Ubisch bodies: -

Author(s) of diagnosis: Koelzer, Karen

Pictures

habitus

1. habitus

acetolyzed pollen,polar view

2. acetolyzed pollen, polar view

acetolyzed pollen

3. acetolyzed pollen

hydrated pollen,equatorial view

4. hydrated pollen, equatorial view

hydrated pollen,equatorial view

5. hydrated pollen, equatorial view

hydrated pollen,equatorial view

6. hydrated pollen, equatorial view

hydrated pollen,equatorial view

7. hydrated pollen, equatorial view

hydrated pollen,polar view

8. hydrated pollen, polar view

hydrated pollen

9. hydrated pollen

hydrated pollen,sperm cells

10. hydrated pollen, sperm cells

Picture legend

  1. habitus, photographer: Koelzer, K.
  2. acetolyzed pollen, polar view - dry, acetolyzed & glycerine, unstained, photographer: Koelzer, K.
  3. acetolyzed pollen - dry, acetolyzed & glycerine, unstained, photographer: Koelzer, K.
  4. hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
  5. hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
  6. hydrated pollen, equatorial view - fresh, glycerine, unstained, photographer: Koelzer, K.
  7. hydrated pollen, equatorial view - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  8. hydrated pollen, polar view - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  9. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Koelzer, K.
  10. hydrated pollen, sperm cells - dry, glycerine, aceto-carmine, photographer: Koelzer, K.

Literature

    Copyright and Citation

    Cite this publication as:

    Koelzer K. 2021. Launaea angustifolia. In: PalDat - A palynological database. https://www.paldat.org/pub/Launaea_angustifolia/305932;jsessionid=9544A51AD297FB8A7F2D5E9216BFC842; accessed 2021-06-15