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PalDat - Palynological Database

an online publication on recent pollen

Carlina acaulis

Taxonomy: Angiospermae, Asterales, Asteraceae, Carlina

Links: http://flora.nhm-wien.ac.at/seiten-arten/carlina-acaulis-acaulis.htm

Published: 2020-12-22

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): 36-40 µm, 41-50 µm,  shortest polar axis in equatorial view (LM): 36-40 µm,  longest polar axis in equatorial view (LM): 41-50 µm,  shortest diameter in equatorial or polar view (LM): 36-40 µm,  longest diameter in equatorial or polar view (LM): 36-40 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): circular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations: shape hydrated spheroidal to slightly oblate, compound aperture with prominent porus

Author(s) of diagnosis: Schneider, H.; Halbritter, Heidemarie; Heigl, Helmut

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen

5. hydrated pollen

polar view

6. polar view

equatorial view

7. equatorial view

aperture

8. aperture

exine surface

9. exine surface

polar area

10. polar area

dry pollen

11. dry pollen

Picture legend

  1. habitus, photographer: Halbritter, H.
  2. flower(s), photographer: Schneider, H.
  3. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  6. polar view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. equatorial view - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. aperture - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. polar area - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Schneider H., Halbritter H., Heigl H. 2020. Carlina acaulis. In: PalDat - A palynological database. https://www.paldat.org/pub/Carlina_acaulis/304659;jsessionid=EF9B951D2F05B0271FA175A1E1736905; accessed 2021-09-23

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