"In order to survive there, they underwent drastic changes that helped mitigate water loss. The first of which is the reduction in the number of leaves they produce." The second sentence looks like a run-on sentence. If the second sentence was merged with the first with a comma, and changed to "the first of which being", it would be grammatically correct.

"coniflor- especially" You meant to use a dash, not a hyphen, or perhaps a comma. If you go with a dash, you should add a dash after "branches" in that sentence.

You began two sentences in the last paragraph with "however" one after each other, which looks awkward.

It's interesting to see it develop fragrant resin or sap, like its relatives. I like the artwork and its unique look. The supplementary range picture is helpful, too, although the fact its range is uninterrupted across Blood River suggests it can live in the river itself.