blue guarri
... that the bark of the South African shrub blue guarri can be used as a purgative?
... that the bark of the South African shrub <b id="mwA9Q"><a href="./Euclea_crispa" id="mwA9U" rel="mw:WikiLink" title="Euclea crispa">blue guarri</a></b> can be used as a <a href="./Laxative" id="mwA9Y" rel="mw:WikiLink" title="Laxative">purgative</a>?