Might want to think that out in this infant stage.
Seems everything should fit under
Anything else would be an adjective of the object
ie: Flora => Bloom Color [Red]
Flora for instance could have been setup better with number of petals, height, width, tube structure, etc.
On the same token, it may be better to go the other route which is the true sense of labeling in how google organizes
In which case we'd need another category such as
Adjective, descriptive or such