Which of the following descriptions fits best?
Juniperus type; e.g. J. communis
single elongated aperture; corrugated to smooth surface ("tangerine segment") inaperturate, reticulate, round pollen grain with very thin wall inaperturate, spherical pollen grain, which often bursts (PG "split"); gemmate
inaperturate, reticulate, round pollen grain with very thin wall
inaperturate, spherical pollen grain, which often bursts (PG "split"); gemmate
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