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Swamp Milkweed
Botanical: Asclepias incarnata (LINN.) Family: N.O.
Asclepiadaceae
---Synonyms---Flesh-coloured Asclepias.
Swamp Silkweed. Rose-coloured Silkweed. ---Part Used---Root.
---Description---A herb growing in wet places,
flowering in the United States in July and August. Stem erect, smooth,
with two downy lines above, about 2 1/2 feet high, branched above, very
leafy; leaves opposite, petiolate, oblong, lanceolate, hairy, acute,
cordate at base, 4 to 7 inches long, 1 to 2 inches wide; flowers
rose-purple, fragrant, disposed in terminal-crowded umbels two to six on a
peduncle 2 inches long, consisting of ten to twenty small flowers; pods
smooth; rhizome oblong, 1 inch in diameter, knotty, surrounded with
rootlets, 4 to 6 inches long, yellow-brown externally, white internally;
bark thin, wood with fine medullary rays.
The roots exudes a milky juice with a heavy odour, which is lost in
drying.
Solvents: Alcohol, water.
---Constituents---Asclepiadin (the emetic
principle), an alkaloid, two acrid resins, volatile oil, fixed oil,
albumen, starch, pectin and glucose.
---Medicinal Action and Uses---Emetic, diuretic,
anthelmintic, stomachic. Swamp Milkweed strengthens the heart in the same
way as digitalis and is a quick and certain diuretic. It is given in
dropsy as a diuretic in place of digitalis, also in coughs, colds,
rheumatism from cold, threatened inflammation of the lungs. Also in
diarrhoea, gastric catarrh, certain skin eruptions of an erysipelatous
nature and in asthma and dyspnoea.It may also be used with advantage in
the early stages of dysentery.
It acts as a vermifuge in doses of 10 to 20 grams.
---Preparations and Dosages---Specific Swamp
Milkweed, 1 to 20 minims. The infusion is made of 1/2 OZ. of the powdered
root to a pint of boiling water. Dose of the powder, 15 to 60 grains.
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