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): -,  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: lophate,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): polygonal,  outline in polar view (dry pollen): polygonal,  infoldings (dry pollen): interapertural area sunken, aperture(s) sunken,  aperture number: number varies,  aperture type: colporus,  aperture condition: tricolporate, tetracolporate, colporate,  aperture peculiarities: -

Ornamentation and Structure

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

Miscellaneous

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

Annotations: 3 or 4 apertures, pollen grains of different size, many aborted grains

Author(s) of diagnosis: Halbritter, Heidemarie