Please align the template (at the top) with the standard template, and standard template order.
There are some conspicuous spots of the leaves that aren't colored in. Now, this could be excused as indicating shiny leaves, as rendered in a watercolor style (e.g., Generation II Pokémon art), but if so, the description should make a note of its shiny leaves. The leaf on the lower right, though, has too much white coloration to allow the stylistic excuse.
Unless its stem is white, that should also be colored in. It's not out of the question it could be white (e.g., like a whitebark raspberry or paper birch), but since this is likely to be misinterpreted, it should be pointed out in the description.
There's a little puff of some sort in the right side of the picture. That should be erased.
"Burrowing further underground to evade predators" suggests intentionality in the direction of evolution. With the possible exception of octopi, which have weird genetic activity, this is a misleading portrayal of evolution. While some plants can indeed self-bury using seed awns that twist with temperature changes, "burrow" is misleading. I recommend, "The Moleroot is descended from a population of Quillfences whose tubers grew unusually deep underground, which better protected them from predators.)
If nitrocycle microbes are like the nitrogen-fixing microbes of legumes, they actually get nitrogen from the air. (This could use a more thorough check: I'll have to come back later.)
You'll need to elaborate on the mechanism of the shoot springing straight up. This isn't totally impossible, but it is improbable, particularly given the fact it's being developed all at once.
You don't need to highlight additions. They can be added without distinguishing them from the original description.