Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): -,  size of hydrated pollen (LM): 41-50 µm,  shortest polar axis in equatorial view (LM): 31-35 µm,  longest polar axis in equatorial view (LM): 36-40 µm,  shortest diameter in equatorial or polar view (LM): 31-35 µm,  longest diameter in equatorial or polar view (LM): 41-50 µm,  pollen class: colpate,  polarity: isopolar,  P/E-ratio: oblate,  shape: -,  outline in polar view: polygonal,  dominant orientation (LM): polar,  P/E-ratio (dry pollen): -,  shape (dry pollen): -,  outline in polar view (dry pollen): -,  infoldings (dry pollen): -,  aperture number: 3,  aperture type: colpus,  aperture condition: colpate,  aperture peculiarities: brevicolpus

Ornamentation and Structure

LM  ornamentation LM: reticulate,  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: Aperture number: 3, more rarely also 4; this is a shared characteristic with, among others, Impatiens pseudoviola within the section Uniflorae; Outline in polar view (tricolpate pollen grains): oblique triangle

Author(s) of diagnosis: Koelzer, Karen