Sigillaria mamillaris
Laura, Eygelshoven (NL)
Westfalian A
Width of a rib 8 mm
- leaf scars often somewhat pear-shaped
- furrows between the ribs straight, undulating or zigzag
- vertical distance of the leaf scars half the height of a scar to one scar
- lateral angles somewhat sharp
- a clearly-defined line above the leaf scars is mostly present
- two slanting rows of wrinkles ('a split beard') below the leaf scars or wrinkles over the entire width of the ribs.
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