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PalDat - Palynological Database

an online publication on recent pollen

Dalechampia spathulata

Taxonomy: Angiospermae, Malpighiales, Euphorbiaceae, Acalyphoideae, Plukenetieae, Dalechampiinae, Dalechampia

Links: https://tropicos.org/name/12801237

Published: 2022-05-09

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): 41-50 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 41-50 µm,  shortest diameter in equatorial or polar view (LM): 41-50 µm,  longest diameter in equatorial or polar view (LM): 41-50 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: isodiametric,  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): lobate,  infoldings (dry pollen): irregularly infolded,  aperture number: 3,  aperture type: colporus,  aperture condition: tricolporate, colporate,  aperture peculiarities: brevicolporus

Ornamentation and Structure

LM  ornamentation LM: reticulate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: reticulate, heterobrochate, free-standing columellae,  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: Heigl, Helmut; Brkic, Amra

Pictures

inflorescence(s)

1. inflorescence(s)

hydrated pollen

2. hydrated pollen

hydrated pollen

3. hydrated pollen

hydrated pollen

4. hydrated pollen

hydrated pollen,oblique view,equatorial view

5. hydrated pollen, oblique view, equatorial view

hydrated pollen,oblique view,polar view

6. hydrated pollen, oblique view, polar view

exine surface

7. exine surface

aperture detail,aperture

8. aperture detail, aperture

dry pollen

9. dry pollen

Picture legend

  1. inflorescence(s), photographer: Brkic, A.
  2. hydrated pollen - fresh, glycerine, unstained, photographer: Heigl, H.
  3. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  4. hydrated pollen - fresh, glycerine, ruthenium red, photographer: Heigl, H.
  5. hydrated pollen, oblique view, equatorial view - fresh, critical point dried & sputter coated with gold & rehydrated (water), photographer: Brkic, A.
  6. hydrated pollen, oblique view, polar view - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  7. exine surface - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  8. aperture detail, aperture - fresh, critical point dried & rehydrated (water) & sputter coated with gold, photographer: Brkic, A.
  9. 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:

Heigl H., Brkic A. 2022. Dalechampia spathulata. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Dalechampia_spathulata/306543;jsessionid=84F8E53D9726126D5D0F116C5CC7D343; accessed 2025-01-25

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