(klu f -se-ah) [Charles de VEscluse (1526- 1609)]. A genus of plants of the order Guttifertz, many species of which yield a gum-resin called West Indian balsam. C. flava, of the West Indies, yields the milky sap used as a substitute for copaiba. C. insignis, of Brazil, yields a milky sap used as a salve. C. hilar iana, of the West Indies and South America, yields a gum used as a drastic and vulnerary; the fruit is edible and the astringent bark is employed in diarrhea.