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PalDat - Palynological Database

an online publication on recent pollen

Heuchera micrantha

Taxonomy: Angiospermae, Saxifragales, Saxifragaceae, Heuchereae, Heuchera

Published: 2022-05-13

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: isodiametric,  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, tricolporate,  aperture peculiarities: aperture membrane ornamented

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Brkic, Amra

Pictures

hydrated pollen

1. hydrated pollen

hydrated pollen,polar view

2. hydrated pollen, polar view

hydrated pollen,equatorial view

3. hydrated pollen, equatorial view

aperture detail

4. aperture detail

exine surface

5. exine surface

dry pollen

6. dry pollen

Picture legend

  1. hydrated pollen - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  2. hydrated pollen, polar view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  3. hydrated pollen, equatorial view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  4. aperture detail - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  5. exine surface - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  6. dry pollen - dry, critical point dried & sputter coated with gold, photographer: Brkic, A.

Literature

  • Halbritter H, Ulrich S, Grímsson F, Weber M, Zetter R, Hesse M, Buchner R, Svojtka M, Frosch-Radivo A (2018) Illustrated Pollen Terminology 2nd Edition
  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Brkic A. 2022. Heuchera micrantha. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Heuchera_micrantha/306564; accessed 2025-04-27