Descriptor : Repartition of bracts on additional sheath (OW/SW)

Descriptor type : categorical

Additional sheath: Second part of a wall composed by two zones (carcass + sheath).

Bract: Plate stems from lintels which incompletely covering a single pore.

Lintel: Skeletal structure separating and bounding adjacent pores.

OW: Outer wall.

SW: Single wall.

One bract covering one micropore

One bract covering several micropores

No bract on additional sheath

Hierarchy

Type of additional sheath (OW/SW)
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 |_ Repartition of bracts on additional sheath (OW/SW)

Belongs to the groups