#12. Bark: Pattern of Splitting
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| 1. Fissured <mostly lengthwise cracks> | 
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| 2. ringed <circumferential cracks or scars> | 
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| 3. checkered <squares, rhomboids or rectangles 1 to few cm wide, either raised or scars surrounded by ridges> | 
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| 4. blocky <raised squares or rectangles, several cm wide> | 
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| 5. warty <scattered rounded protuberences> | 
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| 6. spiny |