Rhizome of Grassleaf Sweetflag Classic Formulas … Natural Herb Library

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Opens the orifices and transforms turbidity ... Chang Pu is used when clouded thinking, phlegm obstruction, dizziness, or confusion suggest that clear yang is not reaching the head well.
Calms the spirit and benefits cognition ... traditional use includes forgetfulness, poor concentration, fright, and restlessness when turbidity and dampness burden the Heart-mind.
Transforms dampness and harmonizes the middle ... it also helps nausea, poor appetite, abdominal fullness, and foul turbidity affecting digestion.

Ding Zhi Wan-style pairings ... Chang Pu is used when phlegm-turbidity, fright, and forgetfulness combine.
Orifice-opening combinations with Yu Jin or Zhu Ru ... classical logic when phlegm-heat and clouded consciousness travel together.
Middle-burner aromatic formulas ... used when nausea and damp-turbidity accompany mental fog.

Traditional references describe Chang Pu as an aromatic warm rhizome that opens the orifices, transforms dampness, and benefits the spirit.
In this library, the specific distinction from Shi Chang Pu is part of the record's value because source confusion is common.