The river shrub split from its ancestor, the river palm, to become a smaller, more compact plant. While the shrub itself is smaller, the leaves of the plant have grown much bigger. Besides its look, very little else has changed about the river shrub.
Living Relatives (click to show/hide)
None found. Note that this does not necessarily mean it has no living relatives at all, but that, assuming all taxonomy is filled in, its entire phylum is extinct; any relatives it does have likely do not resemble it.