Longest un-rooted aerial stem

Longest un-rooted aerial stem
Who
Calamus
Where
Not Applicable
When
01 January 0001
The longest above-ground stems belong to the climbing rattan palms in the genus Calamus. Their recorded length is around 172 m (564 ft), but experts have estimated that unmeasured examples may have reached 200 m (656 ft), longer than the height of the tallest trees.