PDR for Herbal Medicines

HERBAL MONOGRAPHS STONE ROOT/733

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the systemic lupus erythematosus-like pathology of MRL lpr/lpr
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Further information in:
Madaus G, Lehrbuch der Biologischen Arzneimittel, Bde 1-3,
Nachdruck, Georg Olms Verlag Hildesheim 1979.

Schulz R, Hansel R, Rationale Phytotherapie, Springer Verlag
Heidelberg 1996.

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Verlag Heidelberg 1992.

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Stuttgart 1997.

Wichtl M (Hrsg.), Teedrogen, 4. Aufl., Wiss. Verlagsges.

Stuttgart 1997.

Stone Root

Collinsonia canadensis

DESCRIPTION

Medicinal Parts: The medicinal parts of the plant are the

fresh or dried roots and rhizomes.

Flower and Fruit: The flowers are dirty yellow, labiate, with

red venation on the inside in richly blossomed panicles. The

upper lip has an obtuse tip. The side tips of the lower lip are

small and rounded; the middle tips are larger and fringed.

The calyx is acuminate and has 2 stamens. The fruit is a

small globose nutlet.

Leaves, Stem and Root: The plant is a perennial that grows

90 to 120 cm high. The rhizome is grayish-brown, very hard,

fibrous and up to 8 cm long. The shoots are glabrous, often

tinged red, with few side shoots. The bark is very thin. The

leaves are light green above and pale green, glabrous, broad,

cordate or ovate below, becoming narrower and shorter

above.

Characteristics: The smell is strongly aromatic, unpleasant,

and numbing in large amounts. The taste is unpleasantly

bitter.

Habitat: The plant is indigenous to North America from

Canada to the Carolinas in the U.S. It is also found in central

Europe.

Production: Stone Root, the rhizome and root of Collinsonia

canadensis, is gathered and dried in autumn.

Other Names: Hardhack, Horseweed, Heal-All, Knob Grass,

Knob Root, Richweed, Richleaf, Knobweed, Hardback

ACTIONS AND PHARMACOLOGY

COMPOUNDS

Volatile oil: chief components are caryophyllene, germa-

crene D, limonene, alpha- and beta-pinenes

Caffeic acid derivatives: including rosmaric acid

EFFECTS

Stone Root has stomachic, tonic and diuretic effects,

probably due to the presence of the essential oil and rosmaric

acid.