Sentence:  The latter is the plant that yields the <WSD>Savanilla</WSD> rhatany, "Krameria triandra", which yields the true officinal root, is not mentioned by Bennet, and appears consequently to be absent from Brazil. 
Meaning of the word marked with <WSD> tags:  A Colombian variety of rhatany, formerly used medicinally; "Krameria lappacea" (formerly "Krameria triandra").