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Poplar, tremblingotanical: Populus tremuloides (MICHX.)Family: N.O. Salicaceae Synonyms: American Aspen. White Poplar. Quaking Aspen. Part Used: Bark. Habitat: North America.
Description: This tree does not grow well in Britain, but in America it grows up to 100 feet in height. It has a pale yellowish bark on the young trunk and main branches; broadly ovate finely-toothed leaves averaging 1 3/4 inch long and wide, and having fine hairs on the margin. The bark should be collected in spring. It has a bitterish taste and no odour. Constituents: The bark probably has similar properties to that of Populus tremula of Europe, i.e. salicin and populin. Medicinal Action and Uses: Febrifuge and tonic, chiefly used in intermittent fevers. It has been employed as a diuretic in urinary affections, gonorrhoea and gleet. The infusion has been found helpful in debility, chronic diarrhcea, etc. Is a valuable and safe substitute for Peruvian bark. Dosages: Fluid extract, 1 drachm. Of salicin, in intermittents, 10 to 30 grains. Of populin, 1 to 4 grains. Other Species:
P. candicans is also used.
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