Passiflo'ra incarna'ta, Passion Flower (Vine), N.F. -- Passifloraceae. The dried flowering and fruiting top with not more than 5 p.c. of stems over 8 Mm. (1/3') thick or other foreign matter; S. United States (Va., N.C.). Slender climbing plant; stems glabrous, pubescent, variable length, 6-8 Mm. (1/4-1/3') thick, striate, woody, hollow, bark thin, greenish, purplish; wood porous, fracture uneven, fibrous; leaves broken, thick, glabrous or pubescent, orbicular, cordate, 3-5-lobed, serrate; many tendrils; flowers yellow, corona purplish, monadelphous in a tube; fruit, many-seeded berry; seed flat, yellowish; odor and taste slight. Powder, light green -- non-glandular hairs, pith and wood parenchyma, tracheae, chlorenchyma and epidermal cells, stomata, calcium oxalate rosettes; solvent: diluted alcohol; contains alkaloid, ash 3-12 p.c. Narcotic, anodyne, nerve sedative; insomnia, restlessness, neuralgia, convulsions, epilepsy, tetanus; burns hemorrhoid, diarrhea. Dose, gr. 5-10 (.3-.6 Gm.); 1. Tinctura Passiflorae, 20 p.c. (diluted alcohol), dose, mx-30 (.6-2 cc.); Inspissated juice of leaves, 3j-4 (4-15 cc.).