Pala'quium Gut'ta, and P. Oblongifo'lium, Gutta-percha. -- Sapotaceae. The purified, coagulated, milky exudation, U.S.P. 1860-1880; Malayan Peninsula and Islands, Singapore, Borneo. Tree, 18-21 M. (60-70 degrees) high, .6-1 M. (2-3 degrees) thick; bark reddish-gray; leaves 10-12..5 Cm. (4-5') long, tomentose, silky beneath; flowers yellowish. Gutta-percha is obtained by incisions, or by felling trees, removing bark, and catching juice in plantain-leaf stalks, palm leaves, or cocoanut shells; it soon coagulates and occurs in yellowish, grayish masses, hard, heavier than water, flexible, plastic at 50 degrees C. (122 degrees F.), decomposes on melting; inodorous; tasteless; soluble in ether, chloroform, oil of turpentine, carbon disulphide; contains gutta, C20H32, 80 p.c., fine white powder; fluavil, CHO, yellow resin; albane, CHO, white resin.  Used in surgery for splints, catheters, bougies, specula, pessaries, syringes, etc.  Liquor Guttae Perchae, U.S.P. 1860-1880, 15 p.c., + lead carbonate 17, chloroform q.s. 100; employed as an adhesive and protective agent for wounds, abrasions, skin affections, sore nipples, erysipelas, smallpox, etc.