[The name (now spelt Loja) of a province in Ecuador, South America.] attrib. in Loxa bark: the pale Peruvian bark obtained from the cinchona-tree (C. condaminea).
1825. Amer. Jrnl. Sci., IX. 364. Loxa, or Crown Bark.
1837. Penny Cycl., VII. 172 (Cinchona), Loxa or crown bark, called also true Loxa bark, is obtained either exclusively from the C. Condaminea or from it and C. scrobiculata. Ibid. The false Loxa bark, confessedly a very bad bark.
1885. A. B. Garrod, Ess. Mat. Med. (ed. 11), 292. Pale or Loxa barks.