I wonder what became of it.

I have good reason to believe that it was never replanted on the Island of the Flower, so perhaps it was borne back to the dim and unknown land in the depths of Africa whence the Pongo are supposed to have brought it when they migrated.
After this incident of the wounding and the rescue of Stephen by the intrepid Miss Hope, whose interest in him was already strong enough to induce her to risk her life upon his behalf, all we fugitives were dragged ashore somehow by our friends.

Here, Hans, I and the ladies collapsed exhausted, though Brother John still found sufficient strength to do what he could for the injured Stephen and Mavovo.
Then the Battle of the Reeds began, and a fierce fray it was.

The Pongos who were about equal in numbers to our people, came on furiously, for they were mad at the death of their god with his priest, the Motombo, of which I think news had reached them and at the carrying off of the Mother of the Flower.

Springing from their canoes because the waterway was too narrow for more than one of these to travel at a time, they plunged into the reeds with the intention of wading ashore.