Marsde'nia (Gonol'obus) Conduran'go, Condurango, N.F. -- The dried bark with not more than 2 p.c. of wood or other foreign organic matter; Ecuador. Climbing vine, 3-9 M. (10-30 degrees) high. Bark (stem) in quills, curved pieces, 4-13.5 Cm. (1 3/5-5 2/5') long, 1-6 Mm. (1/25-1/4') thick, grayish-brown, nearly smooth, numerous lenticels, or scaly and rough, occasionally with whitish lichens; inner surface grayish-white, striate; fracture short-fibrous, granular; odor slightly aromatic (fresh); taste bitter, aromatic. Powder, yellowish-brown -- stone cells, parenchyma with calcium oxalate crystals, rosettes, prisms and starch grains; bast-fibers non-lignified, latex tubes with a granular substance, grayish-yellow cork; solvent: diluted alcohol; contains condurangin (bitter glucoside), alkaloid (strychnine-like action), conduransterin, resin, starch, sugar, tannin 12.6 p.c., crystalline acid, wax, ash 12 p.c. Alterative, stomachic, tonic; cancer, syphilis, rheumatism; may occasion nausea, vomiting, convulsions, paralysis. Dose, 3ss-1 (2-4 Gm.); 1. Fluidextractum Condurango (diluted alcohol), dose 3ss-1 (2-4 cc.). Infusion, Wine.