N. O. ---Salicaceae.
Synonyms:Latin, Salix ambigua, S. falcata,
S. ligustrina, S. Purchiana; English,
Black willow.
Description:
A shrub or tree, 15 to 25 feet high, with rough black bark and very brittle branches at the base. The leaves have small deciduous stipules, are alternate, narrowly-lanceolate, pointed and tapering at each end, serrate, smooth (except on the petioles and midrib), green on both sides. The flowers appear in May and June in peduncled catkins on the summit of the lateral leafy branches of the season ; scales entire, greenish-yellow, more or less hairy, falling before the pods are ripe.
Found in :- United States, frequent along streams, especially southward.
Found in :- United States, frequent along streams, especially southward.
Part Used:The fresh bark.
Preparation:
(a)Tincture Q:
Drug Strength 1/100
Salix nigra, moist magma containing solids100 gm
Plant moisture 300 Cc.= 400
Distilled water...............200 Cc.
Strong alcohol...............537 Cc.
To make one thousand cubic centimeters of tincture.
(b) Dilutions: 2x to contain one part of tincture, four parts distilled water, five parts alcohol ; 3x and higher with dispensing alcohol.
No comments:
Post a Comment