Witnessed by: TCM
Drynaria (Drynaria fortunei), of the Polypodiaceae family. Epiphytic fern with creeping scaly rhizome; native range: southern China, on rocks and tree trunks. Globally recognized as gu sui bu (骨碎补) in Chinese. The part used is rhizome. Flattened rhizome densely clothed in golden-brown scales, bitter and slightly aromatic.
In this cross-tradition database, we analyze how this substance operates across world medicine systems — tracking its traditional tastes, temperatures, tissue affinities, post-digestive effects, and planetary correspondences across Ayurveda, Unani, and Western herbalism.
DRYNARIA
IDENTITY
Name
- Common
- drynaria
- Scientific name
- Drynaria fortunei (Kunze ex Mett.) J.Sm.
- Family
- Polypodiaceae
Form
- Part used
- rhizome
PROPERTIES
Nature
Taste
how the plant declares itself on the tongue
- TCM
- bitter
Temperature
- TCM
- warm
Affinity
where in the body it travels
Organs / channels
- TCM
- Liver · Kidney
PRACTICE
Virtue
Actions
- TCM
- tonifies the Kidney and strengthens bone, moves the blood and stops bleeding from injury, promotes healing of fractured bone and sinew
Cautions
- Contraindications
- avoid in yin deficiency with heat and in blood-deficiency dryness
- Toxicity
- none noted
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