The Science of Trillium
- Shape is spherical
- Diameter is 20 - 30 um
- Wall is inaperturate (no aperture)
- Exine is unstratified and ultra-thin
- Exine Surface ornamentation
There are 5 types across 17 species examined:
Data from: M. Takahashi. 1982. "Pollen Morphology in North American Species of Trillium." American Journal of Botany, vol. 69, pp. 1185-1195.
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Last revised: 30 December 2011
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