Cusparia:

Cusparia febrifuga:

Cusparia febrifuga Humb. ex DC., Rutaceae: See Angostura trifoliata (Willd.) T. S. Elias.

Cusparia trifoliata:

Cusparia trifoliata Engler, Rutaceae: See Angostura trifoliata (Willd.) T. S. Elias.

I have no articles for this botanical term, but there might be some for the next level down (if found).