JERUSALEM OAK or AMERICAN WORMSEED (Chenopodium anthelminticum; C. ambrosioides; CHENOPODIACEAE)
Common names:
Jerusalem oak, American wormseed, wild wormseed, stinking weed, goose foot, Jesuit's tea, Jerusalem tea; Anserine Vermifuge (Fr.); Amerikanischer Wurmsamen (Ger.); Herba Sancti Mariae, apasote, pazote (Span.).
Identifying characteristics:
Stem Herbaceous, angular, coarse, stout, erect, furrowed or grooved, branched, 2-5 feet high.
Leaves Alternate, yellowish-green, oblong - lanceolate, gland-dotted beneath (with small resinous particles), toothed (upper ones entire and tapering at both ends), slightly petioled.
Flowers Small, very numerous, same color as leaves, in clusters of dense leafy, globular spikes (in the axis of slender, lateral, leafy branches), 5-cleft calyx, ovate and pointed lobes.
Fruit Small, irregular (obtusely angled), depressed globular, size of pin head, perfectly enclosed in the calyx, greenish-gray or greenish-yellow or brown, glandular, 1/12 inch in diameter, membranous pericarp. Seed; small, smooth, glossy, solitary, lenticular, brownish-black, obtusely edged, albumen contains curved embryo.
Root Branched.
Taste Acrid, bitter, astringent, turpentine-like.
Odor Strong, peculiar (camphoraceous) and resembling eucalyptus, aromatic.
Part used:
Seeds, oil, herb.
Therapeutic action:
Anthelmintic (vermifuge), antispasmodic, febrifuge, nervine, aromatic, expectorant, emmenagogue, tonic, diffusive, stimulant, diuretic, cardiac stimulant, diaphoretic.
The leaves and seeds of Jerusalem oak was an old American Indian remedy for worms and painful menstruation. The principal use has been in the form of the powdered seeds, which is one of the best vermifuge remedies in nature. The seeds are rich in a volatile oil that may be used apart. It is a useful expectorant for pulmonary complaints. It increases the power of the heart, and promotes secretions of the bronchi, kidneys, and skin.
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Medicinal uses:
Round worms, hookworm (oil), tapeworm (especially good for children), intermittent fevers, hysteria, chorea, nervous affections, painful menstruation, pulmonary congestion, bronchitis, asthma, flatulent dyspepsia, chronic malaria.
Preparation:
Decoction, fluid extract, infusion, juice, oil, powder, tincture. Do not use the oil during pregnancy, because of its potent emmenagogic effect.
Decoction Simmer 1 ounce of the fresh plant for 20 minutes in 1 pint of milk or water.
Infusion The bruised leaves may be used in this manner, cover to preserve volatile oil.
Juice Express the juice from the fresh plant.
Oil The seed is very high in the medicinally valuable volatile oil.
Powder The seed should be bruised or powdered before using.
Dosage:
Decoction 1 tablespoonful - 2 fluid ounces
Fluid Extract 1/2 - 1 teaspoonful
Infusion 2 fluid ounces
Juice 1 tablespoonful
Oil 3-20 drops; children: 3-10 drops
Powder 1/4 - 2 teaspoonfuls (1-8 drams); children: 1-2 grams
Tincture 1/2 - 1 fluid teaspoon
Administration:
Usually the powdered seeds in honey, syrup, or jam is the favored method, but the other forms are also good.
Oral
Round worms:
Give 1-2 grams of powdered seeds or 3-10 drops of oil to children; and generally give 1-2 teaspoonfuls of the powdered seed or 10-20 drops of oil to adults; the powdered seeds should be administered according to the procedure indicated on page 108. Also the fluid extract, fresh juice, decoction, or electuary (1-2 grams of powder for children) may be used.
Pulmonary congestion, asthma, painful menstruation:
Use a decoction of the herb.
Formulas:
Round worms:
1 ounce American worm seed or Jerusalem oak (Chenopodium anthelminticum)
1 ounce Pink root (spigelia marilandica)
1 ounce Manna, exudation (Fraxinus Ornus)
Preparation:
Pour 1 quart of boiling-hot water over the herbs, cover well, and steep for 1 hour; strain, sweeten, bottle and keep in a cool place.
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Dosage:
4 ounces 4 times daily on an empty stomach.
Potter's emmenagogue:
1 part Wormseed (Chenopodium anthelminticum; or Artemisia santonica)
1 part Black hellebore root (Helleborus niger)
1 part Valerian root (Valeriana officinalis)
1 part Mugwort herb (Artemisia vulgaris)
Preparation:
Steep (cover) 1 teaspoonful of mixed herbs to each cupful of boiling hot water.
Dosage:
2-3 fluid ounces (warm).
Growth characteristics:
Perennial or annual (depending on the climate); found in almost all parts of the United States, native of Central and South America, West Indies, also found in Europe and North Africa, cultivated in Maryland
for the oil; grows along roadsides and in waste places, about dwellings and in manured soils; flowers
July-September.
Collection:
The fruits ripen successively in autumn and should be gathered in October.
Sister plants:
Mexican Tea: (Chenopodium ambrosioides; Herba Botryos Mexicanae; CHENOPODIACEAE); fruit or seed, herb; medicinally similar to Jerusalem oak and resembles it, except that it is more strongly aromatic, leaves more deeply toothed (lower ones almost pinnatifid) spikes more elongated, usually leafless; found in Europe and Asia.
Feather Geranium or Jerusalem oak or Ambrosia (Chenopodium Botrys; CHENOPODIACEAE); herb; worms, catarrh, asthma; leaves on the small plant resemble oak leaves in shape and appearance (even turning red and yellow like oak leaves), are 1 inch long, the leaves diminish to almost nothing as the plant grows 2-3 feet high, and feathery branches develop; self-sows profusely; native to Europe and Asia.
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