CAULISPOLYGONIMULTIFLORI

CAULISPOLYGONIMULTIFLORI. , Harvest in autumn and winter, remove residual leaves, bundle and dry. This product is a long cylindrical shape, slightly twisted, with branches, different length, diameter 4 ~ 7 mm. Surface purplish red to purplish Brown, rough, with twisted longitudinal wrinkles. Nodes slightly enlarged, with lateral branch scars. The skin is thin and peelable. Brittle, easy to break, cross-section skin purple-red, Wood yellow-white or light Brown, obvious catheter hole, pith loose, similar to white. Odorless, slightly bitter taste.

Characteristics：Perennial twining vine. Roots Slender, terminating in fleshy tuberous roots, exterior reddish brown to dark brown. Stem base slightly woody, hollow. Leaves Alternate; Long Petiolate; Ocrea membranous, Brown; Leaf Blade narrowly ovate or cordate, 4-8 cm long, 2.5-5 cm wide, apex acuminate, base cordate or arrow-shaped, entire or microstrip undulate, dark green above, Pale Green below, both surfaces smooth and glabrous. Panicle. Pedicels articulate, base with membranous bracts; perianth small, Perianth Green-white, 5-lobed, unequal in size, abaxially 3-winged outside; Stamens 8, unequal in length, shorter than perianth; Pistil 1, Stigma 3-lobed, capitate. ACHENE ELLIPSOID, 3-sided, black, shiny, outfitted with persistent perianth, perianth with conspicuous 3 wings. Flowering 8-10 months, fruiting 9-11 months.

Night Jiao Teng taste sweet, slightly bitter, flat; Heart, liver; with the efficacy of mind can be calm, wind-tongluo; insomnia, blood deficiency body pain, numbness, rheumatism arthralgia, wind scabies.