Latin, Dioscorea quinata, D. paniculata, Ubium quinatum ;
English, China root, Colic root, Devil’s bones, Hairy yam, Rheumatism root, Wild yam.
A slender, herbaceous, deciduous, perennial vine, growing from knotty and
matted root-stalks. The root is horizontal, long, branched, crocked, woody,
light-brown externally, white internally, wrinkled
longitudinally, with many long, tough fibers, inodorous, with a
pleasantly bitter mucilaginous taste. The stem is round and twining,
5 to 15 feet long, generally smooth, never villous. The radical leaves
are sometimes in fours, the middle nearly opposite, petioled, more or
less pubescent underneath, cordate, acute. The small, pale,
green-yellow flowers appear in July, the sterile in drooping panicles,
the fertile in drooping racemes.
Found in :-
The thickets and moist localities in the United States, New England to Wisconsin, southward.
Introduced into homoeopathic practice:-- |
By Dr. Nichols in 1866. Am, Hom. Observer, III. 357.
( Allen’s Encyc. Mat, Med. IV. 123 ; X. 506, 511.)
The fresh root, gathered before flowering, or when the
stem dies down in the autumn.
|
(a)Tincture Q: = | Drug Strength 1/10 |
|
Dioscorea, moist magma containing solids | 100 gm
|
|
Plant moisture 150 Cc. | = 250
|
|
Distilled water | 250 Cc
|
|
Strong alcohol | 635 Cc
|
|
To make one thousand cubic centimeters of tincture.
|
(b) Dilutions: 2x to contain one part of tincture,
three parts distilled water,
six parts alcohol ; 3x and higher with
dispensing alcohol.
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