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an online publication on recent pollen

Linaria alpina

Taxonomy: Spermatophyta, Scrophulariales, Veronicaceae, Linaria

Published: 2011-10-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): small (10-25 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: colporate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): prolate,  shape (dry pollen): -,  outline in polar view (dry pollen): lobate,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate,  aperture peculiarities: aperture membrane psilate

Ornamentation and Structure

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

Miscellaneous

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

Annotations: pollen grains also slightly heteropolar, polar areas between ends of colpi different in size

Author(s) of diagnosis: Halbritter, H.

Pictures

polar view (oblique)

1. polar view (oblique)

equatorial view

2. equatorial view

aperture

3. aperture

detail of aperture

4. detail of aperture

exine surface

5. exine surface

polar area

6. polar area

dry pollen grains

7. dry pollen grains

Picture legend

  1. polar view (oblique) - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  2. equatorial view - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. detail of aperture - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. polar area - fresh, rehydration (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  7. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.

Literature

  • Cresti M, Milanesi C, Tiezzi A, Ciampolini F, Moscatelli A (1988) Ultrastructure of Linaria vulgaris pollen grains Acta Bot. Neerl. 37: 379-386

Copyright and Citation

Cite this publication as:

Halbritter H. 2011. Linaria alpina. In: PalDat - A palynological database. https://www.paldat.org/pub/Linaria_alpina/203228;jsessionid=532BA2C267F51DE8DFD656022C8D4719; accessed 2024-03-28

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