[ maybe they don't realise his experience? That may be it. ]

As the king of Tai, some of my duties were overseeing the registry of new riboku, and the calendar of prayers for the eggfruit. I believe the train, with its hundred or so residents, would count as a settlement large enough to receive a tree of its own.

[ Hm ] Of course, I doubt we would be able to pray for children from it, specifically... it would have to grow larger than our carriages for that. But smaller livestock and grains would be within reason.