aspidosperma

noun

as·​pi·​do·​sper·​ma ˌas-pə-(ˌ)dō-ˈspər-mə 

1

capitalized : a genus of tropical American trees or rarely shrubs of the dogbane family that includes the white quebracho

2

: the dried bark of the quebracho (Aspidosperma quebracho-blanco) used as a respiratory sedative in dyspnea and in asthma

called also quebracho bark