• A Text property defining a single value.
• Structure: base
• It is a costa
• It is a property of structure constraint: costa
• Character: fixation
• A position property
• A subproperty of involucre
• A Part of involucre
• A subproperty of phyllaries
• A Part of phyllaries

Types of costa base fixation

None.

Parts of costa base fixation

None.