An action plan to save rare palms was made by this group in 1996. Barreveld wrote: "Had the date palm not existed, the expansion of the human race into the hot and barren parts of the "old" world would have been much more restricted.
It is very hard to save palm seeds because they are killed by cooling them, which is the normal way of keeping rare seeds for the future.
Also, planting rare kinds in parks can never truly recreate the wild areas they come from, and the plants may not do well in these parks.
The Corypha palms have the largest inflorescence (flowering part) of any plant, up to 7.5 meters tall and containing millions of small flowers.
The wax palm, Colombia's national tree, is the tallest palm in the world, reaching heights of 70 meters.
They have large evergreen leaves that are either 'fan-leaved' or 'feather-leaved' and arranged in a spiral at the top of the trunk.