There are hormonal signals sent from trunk to trunk. All trunks share a root system. More from the discoverer: https://www.discovermagazine.com/planet-earth/th

There are hormonal signals sent from trunk to trunk. All trunks share a root system. More from the discoverer: https://www.discovermagazine.com/planet-earth/the-trembling-giant https://www.discovermagazine.com/planet-earth/the-trembling-...