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PalDat - Palynological Database

an online publication on recent pollen

Hyparrhenia hirta

Taxonomy: Angiospermae, Poales, Poaceae, Hyparrhenia

Published: 2015-05-07

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): -,  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: ulcerate,  polarity: heteropolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: 1,  aperture type: ulcus,  aperture condition: ulcerate,  aperture peculiarities: operculum, annulus

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: areolate, microechinate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: shape spheroidal to ovoid

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

inflorescence(s)

1. inflorescence(s)

oblique polar distal view

2. oblique polar distal view

equatorial view

3. equatorial view

polar distal view

4. polar distal view

exine surface

5. exine surface

aperture

6. aperture

aperture

7. aperture

dry pollen

8. dry pollen

dry pollen

9. dry pollen

Ubisch bodies on locule wall

10. Ubisch bodies on locule wall

Picture legend

  1. inflorescence(s), photographer: Weis, B.
  2. oblique polar distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. equatorial view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. polar distal view - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. aperture - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  9. dry pollen - dry, sputter coated with gold, photographer: Halbritter, H.
  10. Ubisch bodies on locule wall - dry, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

    Copyright and Citation

    Cite this publication as:

    Halbritter H., Weis B. 2015. Hyparrhenia hirta. In: PalDat - A palynological database. https://www.paldat.org/pub/Hyparrhenia_hirta/300093;jsessionid=BACF263D549734FD4EA2BE396971B106; accessed 2024-04-18