Lian Xin Mai Dong Ophiopogon Root Tuber Classic Formulas … Natural Herb Library

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Nourishes yin and generates fluids ... Lian Xin Mai Dong remains within the standard Ophiopogon maidong lane for depleted fluids, dry mouth, and dryness affecting the Lung and Stomach.
Moistens the Lung and eases dry cough ... it is used for dryness with scant sputum, throat irritation, and chronic cough from yin damage.
Clears Heart irritability and calms vexation ... the retained-core trade description traditionally leans this lane toward Heart-yin and spirit-related presentations alongside general maidong use.

Tian Wang Bu Xin Dan ... classic Heart-Kidney yin deficiency formula context in which maidong supports fluids and relieves vexation.
Sheng Mai San ... qi-and-yin restoring formula tradition where maidong nourishes fluids and supports the Heart.
Mai Men Dong Tang ... dry-Lung and rebellious-qi formula that remains the best-known maidong reference point.

Traditional descriptions of maidong consistently include nourishment of Heart, Lung, and Stomach yin, which makes the Lian Xin Mai Dong lane editorially appropriate for more Heart-centered wording without inventing a different herb.
The preserved central core is a trade-material distinction, not a separate species or separate pharmacologic lineage.