# heartwood

> strong central wood in a trunk or branch; the dead inner portion of the xylem (wood) of a trunk or large root

**Wikidata**: [Q191556](https://www.wikidata.org/wiki/Q191556)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heartwood)  
**Source**: https://4ort.xyz/entity/heartwood


## References

1. Integrated Authority File
2. National Library of Israel Names and Subjects Authority File