Eysenhardtia polystachya

Eysenhardtia polystachya, the kidneywood, is a tree from Mexico, growing along forest edges and water courses at elevations of 150–3000 m.^[1] Previously it was used as a source of lignum nephriticum.

Eysenhardtia polystachya
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Eysenhardtia
Species:	E. polystachya
Binomial name
Eysenhardtia polystachya (Ortega) Sarg.
Synonyms
Eysenhardtia amorphoides Kunth