Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): large (51-100 µm),  size of hydrated pollen (LM): 51-100 µm,  shortest polar axis in equatorial view (LM): 41-50 µm,  longest polar axis in equatorial view (LM): 51-100 µm,  shortest diameter in equatorial or polar view (LM): <10 µm,  longest diameter in equatorial or polar view (LM): <10 µm,  pollen class: sulcate,  polarity: heteropolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: elliptic,  dominant orientation (LM): equatorial,  P/E-ratio (dry pollen): -,  shape (dry pollen): boat-shaped,  outline in polar view (dry pollen): -,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 1,  aperture type: colpus,  aperture condition: sulcate,  aperture peculiarities: aperture membrane ornamented, operculum

Ornamentation and Structure

LM  ornamentation LM: verrucate, gemmate, scabrate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: perforate, microechinate,  suprasculpture SEM: -,  TEM  tectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

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

Annotations: sulcus covered by 2 elongated opercula with globular exine elements in between

Author(s) of diagnosis: Halbritter, Heidemarie; Heigl, Helmut