Posts Tagged ‘Twigs’

Abrus precatorius L.

English names:

Jequirity, Indian liquorice, wild liquorice, crab-eye vine, coral pea, prayer beads, rosary pea.

Description:

Beautiful perennial climber. Young twigs covered with sparse villi. Leaves paripinnate, alternate; leaflets opposite, increasing slightly in size from the base. Inflorescence in axillary pendunculate raceme; flowers pink. Pod turgid, with a sharp deflected beak. Seeds 3-7, ovoid, bright scarlet with a black spot at the hilum.

Flowering period:

June – August.

Distribution:

Grows wild in mountainous regions; also cultivated.

Parts used:

The roots, leaves and stem are collected in autumn during the flowering period. They are used fresh or dried. The seeds are toxic and only used externally.

Chemical composition:

The seeds contain a toxalbumin: (L+) abrin, a glucoside: abralin, a haemagglutinin; N-methyltryptophan and urease. The roots and leafy stems contain glycyrrhizin.

Therapeutic uses:

The roots, the stem and the leaves are effective in the treatment of coryza, cough, fever, jaundice resulting from viral hepatitis, and intoxications. They are used as an edulcorating agent in composite recipes. The daily dose is 8 to 16g in the form of a decoction. The seeds, very toxic, are applied externally in an antiseptic and anti-inflammatory poultice to accelerate the bursting of boils and to cure mastitis and galactophoritis.

Source:Medicinal plants in Viet Nam (Institute of Materia Medica – HANOI – WHO/WPRO, 1990, 444 p.)

Chenopodium ambrosioides

English names:

American wormseed, Mexican tea, wormseed goosefoot, Jerusalem tea, Mexican goosefoot, American goosefoot.

Description:

Annual or perennial herb, 0.5-1 m. high. Stems and twigs striate, glandular-pubescent, green or purple. Leaves alternate, sinuate-dentate, glandular-pubescent beneath. Flowers minute, in simple or paniculate axillary leafy spike. Utricle globular, membranous, pale-green. Seeds black, shining. All parts of the herb have a disagreeable strong smell.

Flowering period:

May – July.

Distribution:

Grows wild on river-banks.

Parts used:

The whole plant, except for the roots, can be harvested all the year round, but preferably in May and June. After cutting, the plants must be immediately distilled to obtain the chenopodium essential oil.

Chemical composition:

The whole plant contains essential oil (leaves 0.3-0.5%, seeds 1%) consisting of ascaridol, p-cymene, limonene, pinocarvone, aritason.

Therapeutic uses:

The essential oil of the entire plant is an anthelminthic for Ascaris and Oxyuris. The dose for adults is 1 ml of chenopodium essential oil diluted in 30 ml of castor oil or in capsules. The purgative magnesium sulfate is administered later. It is indicated for children over five years of age. The dose, depending on their age, is 10 to 20 drops of chenopodium essential oil. It is highly toxic, so strict precautions are necessary.

Source: Medicinal plants in Viet Nam (Institute of Materia Medica).

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