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PalDat - Palynological Database

an online publication on recent pollen

Eupatorium capillifolium

Taxonomy: Angiospermae, Asterales, Asteraceae, Eupatorium

Links: https://www.gbif.org/species/5403126, https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:99677-2

Annotations: Eupatorium capillifolium (Lam.) Small

Published: 2026-02-11

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): 16-20 µm,  longest polar axis in equatorial view (LM): 16-20 µm,  shortest diameter in equatorial or polar view (LM): 11-15 µm,  longest diameter in equatorial or polar view (LM): 16-20 µm,  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: tricolporate, colporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Author(s) of diagnosis: Subler, Abigail; Park, Isaac

Pictures

inflorescence(s)

1. inflorescence(s)

inflorescence(s)

2. inflorescence(s)

polar view

3. polar view

equatorial view

4. equatorial view

equatorial view

5. equatorial view

aperture

6. aperture

Picture legend

  1. inflorescence(s), photographer: Subler, A.
  2. inflorescence(s), photographer: Subler, A.
  3. polar view - dry, sputter coated with gold, photographer: Subler, A.
  4. equatorial view - dry, sputter coated with gold, photographer: Subler, A.
  5. equatorial view - dry, sputter coated with gold, photographer: Subler, A.
  6. aperture - dry, sputter coated with gold, photographer: Subler, A.

Literature

  • Radford A, Ahles H, Bell C () Vascular Flora of the Carolinas
  • 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

Copyright and Citation

Cite this publication as:

Subler A., Park I. 2026. Eupatorium capillifolium. In: PalDat - A palynological database. /pub/Eupatorium_capillifolium/306949; accessed 2026-03-03