Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get; what you get is classical alpha-taxonomy which is, very largely and for sound reasons, in disrepute today.
It ill beseemes a knight of gentle sort, / Such as ye haue him boasted, to beguile / A simple mayd, and worke so haynous tort, / In shame of knighthood, as I largely can report.