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PalDat - Palynological Database

an online publication on recent pollen

Wigandia urens

Taxonomy: Angiospermae, unplaced, Boraginaceae, Wigandia

Links: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:114242-3

Annotations: Wigandia urens (Ruiz & Pav.) Kunth

Published: 2026-09-30

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): 16-20 µm,  shortest polar axis in equatorial view (LM): 16-20 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 16-20 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  pollen class: colporate,  polarity: isopolar,  P/E-ratio: isodiametric,  shape: -,  outline in polar view: circular,  dominant orientation (LM): oblique,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: 3,  aperture type: colporus,  aperture condition: colporate, tricolporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations: Diameter in hydrated condition (LM): 19-21 µm

Author(s) of diagnosis: Koelzer, Karen

Pictures

inflorescence(s),habitus

1. inflorescence(s), habitus

hydrated pollen,polar view

2. hydrated pollen, polar view

hydrated pollen,polar view

3. hydrated pollen, polar view

hydrated pollen,polar view

4. hydrated pollen, polar view

hydrated pollen,polar view

5. hydrated pollen, polar view

hydrated pollen,equatorial view

6. hydrated pollen, equatorial view

hydrated pollen,equatorial view

7. hydrated pollen, equatorial view

hydrated pollen

8. hydrated pollen

hydrated pollen

9. hydrated pollen

hydrated pollen

10. hydrated pollen

Picture legend

  1. inflorescence(s), habitus, photographer: Koelzer, K.
  2. hydrated pollen, polar view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  3. hydrated pollen, polar view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  4. hydrated pollen, polar view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  5. hydrated pollen, polar view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  6. hydrated pollen, equatorial view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  7. hydrated pollen, equatorial view - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  8. hydrated pollen - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  9. hydrated pollen - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.
  10. hydrated pollen - fresh, glycerine-gelatine, unstained, photographer: Koelzer, K.

Literature

    Copyright and Citation

    Cite this publication as:

    Koelzer K. 2026. Wigandia urens. In: PalDat - A palynological database. /pub/Wigandia_urens/307080; accessed 2026-10-01