Tuesday, December 16, 2008

Achyranthes bidentata Blume

Family : Amaranthaceae

English Name : Niu Xi

Herbs perennial, 70-120 cm tall. Stem green or tinged purple, angulate or quadrangular, appressed or spreading pubescent, or nearly glabrous; branches opposite. Petioles 0.5-3 cm, hairy; leaf blade elliptic or elliptic-lanceolate, rarely oblanceolate, 4.5-12 × 2-7.5 cm, both surfaces annexed or spreading pubescent, base cuneate or broadly cuneate, caudate. Spikes terminal or axillary, 3-5 cm; rachis 1-2 cm, white hairy. Flowers dense, ca. 5 mm. Bracts reflexed after anthesis, broadly ovate, 2-3 mm, apex acuminate; bracteoles 2.5-3 mm, spiny, base 2-parted, apex curved. Tepals shiny, lanceolate, 3-5 mm, with a midvein, apex acute. Stamens 2-2.5 mm; pseudostaminodes slightly serrulate, apex rounded. Utricles yellowish brown, shiny, oblong, 2-2.5 mm, smooth. Seeds light brown, oblong, ca. 1 mm.

Forest edges, the sides of streams and shrubberies

Parts Used : Stem, herb, roots

Herb Effects
Anodyne, antiinflammatory, antirheumatic, bitter, digestive, diuretic, emmenagogue and vasodilator (roots).

Medicinal Use
In the treatment of aching back and knees and pain of the lower limbs (roots); to treat hypertension, back pains, urine in the blood, menstrual pain, bleeding, lowers blood cholesterol levels and so is used in the treatment of atherosclerosis(herb); toothache, indigestion and asthma (root juice); for pyorrhoea (stem).


No comments: