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Starch granules possessing three diagnostic characteristics, possibly S. jamesii. Nomarski optics (top two rows) Str. 4k (GS tool 4856) (A–D), Str. 5t (GS tool 3607.2) (E–H). Brightfield and polarized (bottom four rows): Str. 5t (GS tool 3474.2) (I), Str. 5t (GS tools 3446, 3070, 2676, 2674, 2673, 2672, 2347) (J–U), Str. 6a (GS tool 603) (V). Panels with the same letter are images of the same granule in brightfield (Top) and polarized (Bottom).
