quebracho bark

quebracho bark

[kā′bra·chō ‚bärk]
(botany)
Bark of the white quebracho tree Aspidosperma quebracho of Chile and Argentina; main components are aspidospermine, tannin, and quebrachine; used in medicine and tanning.
References in periodicals archive ?
Quebracho bark is susceptible to bark beetles (Porter 2004), many of which have mutualistic associations with fungi (Booth et al.